11/17/2014
Chapter 12 - Rectilinear Motion
Chapter 12 - Rectilinear Motion
Due: 11:59pm on Friday, November 14, 2014
You will receive no credit for items you complete after the assignment is due. Grading Policy
Fundamental Problem 12.1
Initially, the car
11/17/2014
Chapter 1 - General Principles
Chapter 1 - General Principles
Due: 11:59pm on Friday, September 5, 2014
You will receive no credit for items you complete after the assignment is due. Grading Policy
Problem 1.20
Two particles have a mass of 8.0
11/17/2014
Angles
Angles
Due: 11:59pm on Tuesday, September 9, 2014
You will receive no credit for items you complete after the assignment is due. Grading Policy
Trigonometric Exercises
Learning Goal:
To use trigonometric functions to determine unknown an
11/17/2014
Chapter 3 - Equilibrium of a particle 3D
Chapter 3 - Equilibrium of a particle 3D
Due: 11:59pm on Thursday, September 18, 2014
You will receive no credit for items you complete after the assignment is due. Grading Policy
Problem 3.44
Part A
If
11/17/2014
Chapter 6 - Frames & Machines
Chapter 6 - Frames & Machines
Due: 11:59pm on Monday, October 20, 2014
You will receive no credit for items you complete after the assignment is due. Grading Policy
Problem 6.61
The block weighs 180
.
Part A
Determ
11/17/2014
Chapter 9 - Centroids
Chapter 9 - Centroids
Due: 6:00pm on Tuesday, November 4, 2014
You will receive no credit for items you complete after the assignment is due. Grading Policy
Problem 9.7
Part A
Locate the centroid
of the parabolic area. Tak
11/17/2014
Introduction to MasteringEngineering
Introduction to MasteringEngineering
Due: 10:59pm on Friday, September 5, 2014
You will receive no credit for items you complete after the assignment is due. Grading Policy
A message from your instructor.
Th
Chapter 10 - Moments of Inertia
Symbol for 2nd Moment:
Determine 2nd moment by integration:
Determine 2nd moment of shaded area about x axis
Determine 2nd moment of shaded area about y axis
Determine 2nd moment of shaded area about x axis
and about the y
Chapter 13 Kinetics of Particles:
Force and Acceleration
1) Newtons Second Law of Motion
2) Work, energy method
3) Impulse, momentum method
Force Acceleration Method
Equation of Motion for single particle
for system of particles
Rectangular Motion
*Notes
Chapter 9 Center of Gravity and Centroid
Moments of Concentrated forces
Distributed Forces
Moments of Areas
Center of Gravity for Discreet Particles
Demo:
weight of yardstick: 1.5 oz, 36 in. long
weight of hook mass: 12.1 oz
yi =
Where is cg of system?
z
Machines
If a 100 N force is applied to the handles of the pliers,
determine the clamping force on the smooth pipe B
and the magnitude of the resultant force at pin A.
For the input force P = 15 lb, determine the force exerted
on the bolt.
Determine the h
Chapter 17 Kinetics of Rigid Bodies: Newton’s Laws
ﬂat/rev: wccfnwc‘ay [2/10 {0230— 3230 got too,
Rigid body can translate and rotate
E: m9 M‘iO—l} m°"”"’"°"‘
E r
Angular Momentum defined as Wt of linear momentum
W V
(J3
95 f: x (taxi-7am
Angular Momentu
Chapter 3 - Equilibrium of a particle in 2D and 3D
Determine the tension in the cables AB, BC, and CD,
necessary to support the 10 kg light at B and the 15 kg
light at C. Also find the angle .
Determine the tension developed in each wire which is
needed t
Chapter 4 Force System Resultants
Right Hand Rule (Direction of Moments)
Determine moment of the force about point O.
Method #3: Use vector approach for moment calculations
O
r
F
Determine: a)The moment of the 250 N force about A
b) The moment of the 500
3
QUiZ #6 Name 513 i m
iv 533
an}? ”’
For the following loaded truss, determine the forces in members CD, GD, GF and
state if the member is in tension or compression.
3 Quiz #6
ﬁdi
3&2") Vi
CD,“ (ii), 6%
For the following loaded truss, det
4.6 Moment of a Couple
d
A
F1
B
C
F2
E
Equivalent Couple replace system of couples with an equivalent couple
which produces the same external effect on the rigid body. Add
components of couples in common coordinate system.
Determine the resultant couple m
Chapter 6 Structural Analysis
Use equilibrium conditions to find internal forces in structures.
1) Trusses
2) Frames
Trusses are commonly used to support roofs
and bridges.
For a given truss geometry and load, how can you
determine the forces in the truss