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- CHAPTER 22 MAGNETIC FORCES AND MAGNETIC FIELDS A stationary charge q experiences a force F in an electric field E according to F = qE. A charge q moving with velocity v experiences a force F in a magnetic field B according to F = qvxB. The magnetic field B is measured in units of Tesla (T). The direction of F can be determined by first finding the direction of vxB using the righthand rule (see below). The direction of F is the same as the direction of vxB for a positive charge and opposite to that of vxB for a negative charge. When v and B are expressed in the unit vector (i,j,k)- notation, the force is calculated algebraically using the rules of vector cross-multiplication (ixj = k ; jxk = i ; kxi =j , and ixi = jxj = kxk = 0). See solved Example-2 below A trajectory of a charge in a magnetic field will be circular. Make sure you understand how to deal with such a circular motion, see section 22.3 for more details. You should also read the sections that deal with: 1. force on a current carrying wire. You should know how the equation describing the force F = ILxB can be used to find the torque on a current-carrying loop in a magnetic field. 2. Biot-Savart law 3. Ampere's law (learn how to determine the B field for a long wire). 4. Force between two current carrying wires. 5. How to calculate the net B-field produced by several current-carrying conductors.(see solved Example-3 below) A FEW SOLVED EXAMPLES 1. A particle of mass, m = 10-30kg and charge, q=3.2x 10-19C of unknown polarity moving with a velocity of 106m/s enters a region (to the right of line AC as shown in the accompanying diagram) of uniform magnetic field B of magnitude 10.0G. The B-field points out of the page and is perpendicular to the velocity of the charge. After entering the Bfield, the charge moves in a circular trajectory as shown [a] Determine the radius of the circular trajectory. qvB =mv2/r or r = mv/qB = 10-30 106 /3.2x10-19x10-3 = 3.13x10-3 m [b] What is the polarity ( + or - ) of the charge ? Ans. The charge is positive C A q B V r [c] How much work was done on the particle by the magnetic field as the particle traveled the half circle ? Ans. Zero. The magnetic force and the displacement are perpendicular to each other. 2 a. A proton of mass M and charge Q = 1.6x10-19C is traveling with uniform velocity V = 2x105 k m/s under the combined influence of a magnetic field B = 0.6i + 0.5j T and a uniform E-field. Determine the direction and magnitude of E. Solution: Fnet = q(vxB + E) = 0 ; E = - (vxB) = Bxv = 2x105(0.6i + 0.5j)xk = 2x105( - 0.6j + 0.5i) E = 2x105[(0.6)2 + (0.5)2]1/2 = 1.56x105N/C = tan-1(-6/5) = - 500. (500 below the x-axis). 2b. A wire carrying a current I = 3.0A lies in the xy-plane as shown. The linear mass density of the wire is = 1.5x10-2 kg/m. Determine the direction (you can use the diagram to the right to show the direction) and magnitude of the smallest B-field required to levitate the wire in air. Solution: ILxB B 90 0 L mg wire X I Y 37 o Z g = 10m/s2 The magnetic field B is perpendicular to L and in the xy-plane. ILB = Lg ; B = g/I = 1.5x10-2 x10/3 = 5x 10-2 T . 3. Two long parallel wires oriented along the normal to the plane of the page and carrying a current I = 15.0 A are separated by d = 2.0 cm. [a] Determine the magnitude and the direction of the net B-field at point P. P is in the plane of the paper. (Note: you may find it helpful to indicate the direction of the B-field produced by each wire and the direction of the net B-field on a clearly labeled diagram.) B2 y P 30o 30 o B1 BT r r B1 = B2 = B = 0I/2*2*10-2 = 1.5*10-4T (using Ampere's Law) r -4 BT = 2Bcos30i = 2.6*10 iT [b] If an electron passes through P with a velocity 2.5x103m/s parallel to the two wires and directed into the page, determine the magnitude and direction of the force on the electron. d d I X 1 d I 2 X x Fe = qVxB = ( - 1.610-19)( - 2.5103k x 2.6*10-4j ) = 1.0410 -19 j N Solution to Lecture Problems ANSWERS TO QUESTIONS (This section is good for clarifying concepts introduced in this chapter. The answers are given below. For the statements of questions, please consult your textbook.) Q22.1 If they are projected in the same direction into the same magnetic field, the charges are of opposite sign. Q22.2 Similarities: Both can alter the velocity of a charged particle moving through the field. Both exert forces directly proportional to the charge of the particle feeling the force. Positive and negative charges feel forces in opposite directions. Differences: The direction of the electric force is parallel or antiparallel to the direction of the electric field, but the direction of the magnetic force is perpendicular to the magnetic field and to the velocity of the charged particle. Electric forces can accelerate a charged particle from rest or stop a moving particle, but magnetic forces cannot. Q22.3(a) The qv B force on each electron is down. Since electrons are negative, r r r r r r v B must be up. With v to the right, B must be into the page, away you. from r (b)Reversing the current in the coils would reverse the direction of B , making it toward r r r r you. Then v B is in the direction right toward you = down, and qv B will make the electron beam curve up. Q22.4 If the current is in a direction parallel or antiparallel to the magnetic field, then there is no force. Q22.5 Yes. If the magnetic field is perpendicular to the plane of the loop, then it exerts no torque on the loop. Q22.6 If you can hook a spring balance to the particle and measure the force on it in a known electric field, then q = F E will tell you its charge. You cannot hook a spring balance to an electron. Measuring the acceleration of small particles by observing their deflection in known electric and magnetic fields can tell you the charge-to-mass ratio, but not separately the charge or mass. Both an acceleration produced by an electric field and an acceleration caused by a magnetic field depend on the properties of the particle only by being proportional to the ratio q m . Q22.8 The spiral tracks are left by charged particles gradually losing kinetic energy. A straight path might be left by an uncharged particle that managed to leave a trail of bubbles, or it might be the imperceptibly curving track of a very fast charged particle, or of a very massive charged particle. Q22.9 The magnetic field created by wire 1 at the position of wire 2 is into the paper. Hence, the magnetic force on wire 2 is in direction down into the paper = to the right, away from wire 1. Now wire 2 creates a magnetic field into the page at the location of wire 1, so wire 1 feels force up into the paper = left, away from wire 2. r B1 r Fon 2 r Fon 1 r B2 FIG. Q22.9 Q22.10 No total force, but a torque. Let wire 1 carry current in the y direction, toward the top of the page. Let wire 2 be a millimeter above the plane of the paper and carry current to the right, in the x direction. On the left-hand side of wire 1, wire 1 creates magnetic field in the z ^ ^ j direction, which exerts force in the i k = - ^ direction on wire 2. On the ^ right-hand side, wire 1 produces magnetic field in the -k direction and ^ ^ j makes a i (- k )= + ^ force of equal magnitude act on wire 2. If wire 2 is free to move, its center section will twist counterclockwise and then be attracted to wire 1. MULTIPLE-CHOICE QUESTIONS 1. An electron moves in the plane of this paper toward the top of the page. A magnetic field is also in the plane of the page and directed toward the right. What is the direction of the magnetic force on the electron? (a) toward the top of the page (b) toward the bottom of the page (c) toward the left edge of the page (d) toward the right edge of the page (e) upward out of the page (f) into the page Answer: (e). The right-hand rule gives the direction. Be sure to account for the negative charge on the electron. 2. (i) A charged particle is moving perpendicular to a magnetic field in a circle with a radius r. The magnitude of the magnetic field is increased. Compared with the initial radius of the circular path, is the radius of the new path (a) smaller, (b) larger, or (c) r r equal in size? (ii) An identical particle enters the field, with v perpendicular to B , but with a higher speed v than the first particle. Compared with the radius of the circle for the first particle in the same magnetic field, is the radius of the circle for the second particle (a) smaller, (b) larger, or (c) equal in size? Answer: (i), (a). The magnetic force on the particle increases in proportion to B. The result is a smaller radius, as we can see from Equation 22.3: r = mv / qB. (ii), (b). The magnetic force on the particle increases in proportion to v, but the centripetal acceleration increases according to the square of v. The result is a larger radius, as we can see from Equation 22.3. 3. A wire carries current in the plane of this paper toward the top of the page. The wire experiences a magnetic force toward the right edge of the page. What is the direction of the magnetic field causing this force? (a) in the plane of the page and toward the left edge (b) in the plane of the page and toward the bottom edge (c) upward out of the page (d) downward into the page Answer: (c). The right-hand rule is used to determine the direction of the magnetic field. 4. Consider the current in the length of wire shown in Figure 22.24. Rank the points A, B, and C, in terms of magnitude of the magnetic field due to the current in the length r element d s shown, from greatest to least. Figure 22.24 Where is the magnetic field the greatest? Answer: B, C, A. Point B is closest to the current element. Point C is farther away, and r ^ the field is further reduced by the sin factor in the cross product d s r . The field at A is zero because = 0. 5. A loose spiral spring is hung from the ceiling and a large current is sent through it. Do the coils (a) move closer together, (b) move farther apart, or (c) not move at all? Answer: (a). The coils act like wires carrying parallel currents and hence attract one another.
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Path: Drexel >> PHYS >> 102 Spring, 2008
Description: Chapter-19 You are expected to: Coulomb\'s Law 1. Use Coulomb\'s law to calculate the electric forces between charges. 2. Calculate the E-field due to a discrete charge distribution and simple continuous charge distributions. 3. Know the distinction ...
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Path: Michigan State University >> MMG >> 409 Summer, 2008
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Path: Michigan State University >> MMG >> 409 Summer, 2008
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Path: UNC >> EXSS >> 380 Summer, 2008
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Path: UNC >> EXSS >> 380 Summer, 2008
Description: Tenomuscular Receptors Muscle spindle -Sensitive to muscle length and muscle length -Indirect indication of joint position sense and kinesthesia -Efferent innervations by gamma and beta motorneurons. Golgi Tendon Organ -Sensitive to muscle tension -...
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Path: UCSD >> MAE >> 143B Spring, 2007
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Path: UCSD >> MAE >> 143B Spring, 2007
Description: MAE 143B Linear Control Prof. M. Krstic August 15, 2005 MIDTERM NAME: Solution Open books and notes. Present your reasoning and calculations clearly. Random or inconsistent etchings will not be graded. Write only on the paper provided. If you...
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Path: UCSD >> MAE >> 143B Spring, 2007
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Path: UCSD >> MAE >> 143B Spring, 2007
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Path: UCSD >> MAE >> 143B Spring, 2007
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Path: Virginia Tech >> ISE >> 3014 Spring, 2008
Description: Fall 2006 T. E. Lockhart ISE 3014 - SECOND EXAMINATION Examination guidelines: Part I: Closed book / closed notes. Part II: Opened book/ opened notes. Use complete sentences to respond to narrative questions. Use the space provided to answer questi...
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Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: 1 TABLE OF CONTENTS 1. Abstract. 2 2. Introduction.2 3. Theoretical Background.2 4. Experiment\'s apparatus.2 5. Experiment\'s procedure.2 6. Results and Calculations.2 6.1 Engineering Stress..2 6.2 Engineering Strain.3 7. Discussion.4 8. Conclusion.4...
Chapter 13
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: CHAPTER 13 KEY EQUATIONS Equation Number Key Equation 13.1 v iE = I ES exp BE V T iE = iC + iB 13.2 - 1 13.3 13.6 13.9 = iC iE 13.10 13.20 13.21 13.23 13.24 13.35 13.38 13.39 13.40 13.43 13.44 13.45 13.46 v iC I s exp BE V T i ...
Chapter 11
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: CHAPTER 11 KEY EQUATIONS Equation Number Key Equation v o (t ) = Avv i (t ) 11.1 i 11.2 Ai = o 11.3 11.4 11.5 11.6 11.7 11.8 11.9 ii v R i R Ai = o = o L = Av i ii v i Ri RL P G = o Pi R P VI G = o = o o = Av Ai = (Av )2 i Pi Vi I i RL Av = Av 1Av 2...
MCE 230 - Corrosion and Cathode Tests
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: MCE 230 L Materials Science Corrosion Test Gagan Gururaj ID: 8526 Group 2 Date of Experiment: 9/11/03 2 Table of Contents 1) Abstract.3 2) Part A: Introduction..3 3) Theory.3 4) Experimental procedure.4 5) Data..5 6) Calculations.6 7) Part B: Intr...
Chapter 10
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: CHAPTER 10 KEY EQUATIONS Equation Number Key Equation 10.1 v iD = I s exp D nV T 10.2 10.5 10.10 10.12 10.15 kT q VSS = RiD + v D IT C = L Vr IT C = L 2r V VT = di rd D dv D - 1 10.22 rd = nVT I DQ Q -1 ...
Statics HW _10, Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, March 30th, 2008. Statics MCE 220-01 Assignment # 10 Solve the following problems from the textbook (Engineering Mechanics: Stati...
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Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, April 22nd, 2008. Statics MCE 220 Assignment # 14 Solve the following problems from the textbook (Engineering Mechanics: Statics ...
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Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Thursday, March 6th, 2007. Statics MCE 220 Assignment # 8 Solve the following problems from the textbook (Engineering Mechanics: Statics ...
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Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, May 4th, 2008. Statics MCE 220-01 Assignment # 15 Solve the following problems from the textbook (Engineering Mechanics: Statics ...
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Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Thursday, April 3rd, 2008. Statics MCE 220-01 Assignment # 11 Solve the following problems from the textbook (Engineering Mechanics: Stat...
Chapter 12
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: CHAPTER 12 KEY EQUATIONS Equation Number Key Equation iD = 0 for v GS Vto 12.1 12.2 2 iD = K [2( GS - vto )v DS - v DS ] v W KP K = L 2 12.3 12.4 12.6 12.9 12.24 iD = K ( GS - vto ) v 2 2 iD = Kv DS v DD = RD iD (t ) + v DS (t ) gm = 2 KI D...
Statics HW _9, Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Tuesday, March 25th, 2008. Statics MCE 220-01 Assignment # 9 Solve the following problems from the textbook (Engineering Mechanics: Stati...
Fatigue test - table
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Measurement results for Fatigue Experiment Type of material: Aluminum Number of load cycles (Sample without polishing) (Sample without polishing) (load cycles) Applied Load ...
Chapter 15
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: CHAPTER 15 KEY EQUATIONS Equation Number Key Equation f = qu B 15.1 f = quB sin( ) 15.2 15.3 15.4 15.5 15.6 15.7 15.8 15.9 15.10 15.11 df = idl B f = ilB sin( ) = 15.12 15.15 = BA = N d e= dt e = Blu B = H 0 = 4 10 -7 Wb Am r = 0 Hl = A ...
Chapter 16
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: CHAPTER 16 KEY EQUATIONS Equation Number Key Equation 16.1 Pin = 3 rmsI rms cos( ) V 16.2 16.3 Pout = Toutm m = nm = 16.6 16.7 16.8 16.9 16.11 16.12 16.13 16.14 16.15 16.16 16.17 16.18 16.20 16.21 16.22 16.23 16.27 16.28 16.34 Pout 100% Pin 2 ...
Chapter 17
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: CHAPTER 17 KEY EQUATIONS Equation Number Key Equation 17.13 s = P 2 120f 17.14 ns = 17.16 17.17 17.23 17.24 17.25 P s - m ns - nm s = = s ns slip = s Pdev = 3 1-s Pr = 3Rr (I r )2 s Rr (I r )2 17.26 17.27 Ps = 3Rs I s2 Pin = 3I sVs cos( ...
Kalīla wa Dimna EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: Kalla wa Dimna Title of an Indian mirror for princes, formed by the corruption of the Sanskrit names of the two principal characters, two jackals, Kara aka and Damanaka (in the old Syriac translation the forms are still Kallag and Damnag). It was tra...
Statics HW _4 Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, February 17th, 2008. Statics MCE 220 Assignment # 4 Solve the following problems from the textbook (Engineering Mechanics: Static...
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Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: 1 Mohammed Usman Rana @24532 ARA-101 The importantance of Ibn al-Muqaffa` and al-Jahiz in the development of the notion of adab Abu Uthman \'Amr b. Bahr al-Fuqaymi al-Basri also known as al-Jahiz was a famous Arab text writer, and the author of work...
MCE 230 - Impact Test
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: MCE 230 L Materials Science Charpy Impact Test Gagan Gururaj ID: 8526 Group 2 Date of Experiment: 5/10/03 Abstract: Aluminum and brass samples were tested using the Charpy pendulum impact test at room temperature and aluminum under different temper...
Statics HW _13, Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, April 20th, 2008. Statics MCE 220 Assignment # 13 Solve the following problems from the textbook (Engineering Mechanics: Statics ...
Tensile Test - Al 1
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Test Type Name: Company: Lab name: Test date: Geometry: Specimen Specimen name: Length: Diameter: Tensile Test Without Extensometer Group2 AUS Material Sc. Lab 9/28/2003 Circular 1 aluminum 95 mm 6.1 mm Extension mm 0.000478316 0.01973053 0.03683033...
MCE 230 -Static Bending Test
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: MCE 230 L Materials Science Static Bending Test Gagan Gururaj ID: 8526 Group 2 Date of Experiment: 16/11/03 2 Table of Contents 1) Discussion.3 2) Introduction..3 3) Theoretical Background.3 4) Theory.3 5) Experimental Procedure.4 6) Experimental...
Static Bending Test - 90 Scratches
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Test Type Name: Company: Lab name: Test date: Geometry: Specimen Specimen name: Width: Thickness: Support span: Span ratio: Fixture type: Comment: Static Bending Test Fall 2003 Gourp 2 AUS Materials Science 11/16/2003 Rectangular 1 Wood 25 mm 25 mm ...
Static Bending Test - Without Scratches
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Test Type Name: Company: Lab name: Test date: Geometry: Specimen Specimen name: Width: Thickness: Support span: Fixture type: Comment: Static Bending Fall 2003 Gourp 2 AUS Materials Science 11/16/2003 Rectangular 1 Wood 25 25 360 3-point Without Scr...
Presentation ARA 101 'Abbasids [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: Caliphal Succession: The `Abbasid Caliphate The `Abbasid Caliphate The `Abbasid period in its entirety covers approximately half a millennium spanning the years 132/750 to 656/1258. Consequently, historians have divided the period into three sub-per...
MCE 230 Copied
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: SUMMARY: Fatigue is a form of failure that occurs in structures subjected to dynamic and fluctuating stresses (e.g., bridges, aircraft, and machine component); in this experiment we see that four different metals aluminum, copper, brass and steel, wh...
MCE 230 - Impact Test (Table)
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Specimen Aluminum Aluminum Brass Brass Aluminum Aluminum Aluminum Notch type V U V U V V V Temperature (degrees celsius) 25 25 25 25 100 200 300 Width (cm) 0.5 0.49 0.5 0.49 0.5 0.5 0.5 Depth (cm) 0.49 0.41 0.49 0.41 0.49 0.49 0.49 Net Impact Wo...
Compression Test - 2 (Secondary Parallel)
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Test Type Name: Company: Lab name: Test date: Geometry: Specimen Specimen name: Width: Thickness: Length: Compression Test with Secondary Parallel Sample Fall 2003-Group 2 AUS Material Sc. Lab 10/19/2003 Rectangular area=.000625 1 Wood 25 mm 25 mm 1...
MCE 230 - Hardness Test
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: MCE 230 L Materials Science Hardness Test Gagan Gururaj ID: 8526 Group 2 Date of Experiment: 26/10/03 2 Table of Contents 1) Abstract.3 2) Introduction..3 3) Theory.3 4) Experimental procedure.3 5) Data..4 6) Calculations.4 7) Discussion.5 8) Refe...
Statics HW _12, Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, April 13th, 2008. Statics MCE 220 Assignment # 12 Solve the following problems from the textbook (Engineering Mechanics: Statics ...
MCE 230 - Cover Page
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: MCE 230 Materials Science Gagan Gururaj ID: 8526 Email: b00008526@aus.ac.ae Instructor: Dr. Hany El-Kadi Date due: 14/12/03 Problems: Ch.4 4.4 4.11 4.18 4.23 4.34 Ch.5 5.3 5.6 5.11 5.25 ...
MCE 230 - Fatigue Test
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Abstract: Three samples of unpolished aluminum and three samples of unpolished copper were used in the fatigue test. Under an applied load of 80N, the first sample of aluminum fractured after 13892 load cycles. Similarly, the second sample of aluminu...
Compression Test (All graphs)
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Stress (Pa) Primary parallel Secondary parallel Perpendicular Strain Stress Strain stress Strain Stress 0 6.05E+01 0 492.917 0 5803.364 0.000209 8.94E+04 0.000413 91217.01 6.26E-05 95780.96 0.000417 1.78E+05 0.000832 223763 0.000108 196940.9 0.00062...
NaḳÄ'id EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: Na i Meaning \"contradicting poems, flytings\", pl. of na a (from the verb na a a \"to destroy, undo, rebut, oppose\"), synonymous with mun a t (from the verbal form III n a a): a form of poetic duelling in which tribal or personal insults are exchange...
Jahiliyya EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: hilliya A term used, in almost all its occurrences, as the opposite of the word islm , and which refers to the state of affairs in Arabia before the mission of the Prophet, to paganism (sometimes even that of non-Arab lands), the pre-Islamic perio...
ARA 101 Essay Questions [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: AMERICAN UNIVESITY OF SHARJAH COLLEGE OF ARTS AND SCIENCES Department of Arabic Studies ARA 101 Readings in Arabic Heritage Essay Questions for Fall 2007 To be submitted by 16.00 on the 5th of December 2007. The essays should be submitted in soft co...
Introduction ARA 101E (1)
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: ARA 101 E Readings in Arabic Heritage (English Sections) Dr. Gavin Picken Office: NAB 222 Office Tel: ext. 2873 Office Hours: Sunday 11-12, Monday 11-12, Tuesday 3-4 and Wednesday 3-4. E-mail: gpicken@aus.edu B. Sc. Biological Sciences University ...
al-Akhtal EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: - al b. al- alt, who died probably before 92/710. He belonged to the great tribe of the lib [q.v.] of northern Syria, which remained entirely Christian, of the Monophysite persuasion. By his mother Layla he was connected to another Christian tribe...
Presentation ARA 101 Umayyad Poetry [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: Poetry in the Umayyad Period: Al-Farazdaq, Jarir and al-Akhtal Poetry in the Umayyad Period Tammm b. Ghalib (Ab Firs) al- Farazdaq \"the lump of dough\", famous Arab satirist and panegyrist, died at Basra about 110/728 or 112/730. Born in Yamma on a ...
al-Farazdaq EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: al- Farazda \"the lump of dough\", properly Tammm b. lib (Ab Firs), famous Arab satirist and panegyrist, died at Ba ra about 110/728 or 112/730. Born in Yamma (Eastern Arabia) on a date which is uncertain (probably after 20/640), this poet i, of the Dr...
ḤassÄn b. Thabit EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: bit - ir b. arm Of the tribe of rib (later Medna), traditionally known as the \"poet laureate\" of the Prophet, is more correctly the most prominent of several poets who were associated with the rise of Islam , and one who already had an establis...
Ḳaṣīda EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: a da 1. In Arabic. a da collective a d is the name given in Arabic to some poems of a certain length. It is derived from the root a ada, \"to aim at\", for the primitive a da was intended to eulogize the tribe of the poet and denigrate the opposi...
Ḳabīla EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: abla Denotes a large agnatic group, the members of which claim to be descended from one common ancestor; this word is generally understood in the sense of tribe. It derives from the Arabic root -b-l, of which the form bala signifies to meet, to be...
Jarir EI [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: arr b. A iyya b. al- a ayfa) b. Badr Was among the most important -writers of the Umayyad period (the other two were his rivals al and al-Farazda [qq.v.], and may be considered one of the greatest Islamic-Arabic poets of all time. He belonged...
Hasan%20b.%20Thabit%20EAL%20%5b1%5d
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: ...
al-Farazdaq [1]
Path: American University of Sharjah >> ARA >> 101,102 Spring, 2008
Description: From the wafayat al-a`yan of Ibn Khallikan Abu-l ,Abbas Ahmad b. Khallikan (1211-1282 CE) was born at Arbela, Iraq. By his talents and his writings he received the title of the most learned man and the ablest historian of that city. He studied jurisp...
Statics HW _6 Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, February 24th, 2008. Statics MCE 220 Assignment # 6 Solve the following problems from the textbook (Engineering Mechanics: Static...
Statics HW _5 Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Tuesday, February 19th, 2008. Statics MCE 220 Assignment # 5 Solve the following problems from the textbook (Engineering Mechanics: Stati...
Statics HW _3 Springr 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Tuesday, February 12th, 2008. Statics MCE 220 Assignment # 3 Solve the following problems from the textbook (Engineering Mechanics: Stati...
Statics HW _1 Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, February 3rd, 2008. Solve the following problems 1. Round off the following numbers to three significant figures: (a) 4.65735 m, (b...
Statics HW _2 Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, February 10, 2008. Statics MCE 220 Assignment # 2 Solve the following problems from the textbook (Engineering Mechanics: Statics ...
Statics HW _7, Spring 2008
Path: American University of Sharjah >> MCE >> 240 Spring, 2008
Description: American University of Sharjah College of Engineering Mechanical Engineering Department Spring 2008 Due Date: Sunday, March 2nd, 2008. Statics MCE 220 Assignment # 7 Solve the following problems from the textbook (Engineering Mechanics: Statics by...
Tensile Test - Al 2
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Test Type Name: Company: Lab name: Test date: Geometry: Specimen Specimen name: Length: Diameter: Tensile Test for Metallic Materials With Extensometer Group 2 AUS Material Sc. Lab 9/28/2003 Circular 1 aluminum 95 6.2 Extension mm Load N Strain Stre...
Tensile Test - steel
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: Test Type Name: Company: Lab name: Test date: Geometry: Specimen Specimen name: Length: Diameter: Tensile Test Group 2 AUS Material Sc. Lab 9/28/2003 Circular 1 Steel 95 mm 5.9 mm Extension mm 0 0.01147958 0.02062737 0.0307318 0.0409558 0.05207665 0...
Tensile Test Exp.
Path: American University of Sharjah >> MECHANICAL >> 223,224,22 Spring, 2008
Description: MCE 230 L Materials Science Tensile Test Gagan Gururaj ID: 8526 Group 2 Date of Experiment: 28/9/03 Abstract: Two samples of aluminum and a sample of steel were used in the Tensile Test Experiment. The mechanical properties of these three materials...
