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Course: MEEN 221, Spring 2009School: Texas A&M
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Texas A&M - MEEN - 221
Texas A&M - MEEN - 221
Texas A&M - MEEN - 221
Texas A&M - MEEN - 221
Texas A&M - MEEN - 221
Texas A&M - ENGR - 111
TrussClass 03ENGR 111 Track A1How are trusses built? Links and Joints Trusses are built by joining bars (links) to form a latticelike structure. The joints transmit forces from one link to another but are incapable of transmitting torques
Texas A&M - ENGR - 111
ENGR 111 Construction of a Free Body DiagramClass 04ObjectivesAt the completion of this module you need to be able to Isolate any system in question and draw a sketch of it Show all the EXTERNAL Forces that act on the systemTHIS SKILL
Texas A&M - ENGR - 111
Calculating Reaction Forces in a TrussClass 059/11/2006ENGR 111 Track A1Learning ObjectivesWhen you complete this module you will be able to Calculate the xy components of a force given its magnitude and angle. Find unknown forces by
Texas A&M - ENGR - 111
Moment (Torque). Calculating Reaction Forces in a Truss.Class 06Protocol for Finding Force Components1. Mark all angles CCW from the + xaxis 2. Then the components are ALWAYS given by Fx = F cos Fy = F sin F F F FSometimes it is not con
Texas A&M - ENGR - 111
Introduction to StatisticsClass 07 Statistics is.a standard method for. collecting, organizing, summarizing, presenting, and analyzing data drawing conclusions making decisions based upon the analyses of these data. used ext
Texas A&M - ENGR - 111
Internal Forces in a TrussClass 089/25/2007ENGR 111 Track A1Learning ObjectivesIn this module you will learn how to Draw the free body diagram of the joints in a truss. Develop the equilibrium equations for a joint. Apply the equilibriu
Texas A&M - ENGR - 111
The Engineering Process: Using quantification to make decisions! Decision making from quantitative data: Will the truss withstand the necessary load? Calculation of the Safe Loads in a TrussClass 099/27/2007ENGR 111 Track A1Zeroforce Me
Texas A&M - ENGR - 111
ENGR 111 Class 31Orthographic Projection Learning ObjectivesName the three principle projection planes and what dimensions each shows Sketch Top, Front, and Right Side views of simple objects Know the correct pattern and line weight for
Texas A&M - ENGR - 111
Exam Procedures and Rules for ENGR 111/112417/420 CVLB will be the headquarters for the exam. If you are not sure of your exam time and location, check the ENGR 111 or 112 web page or Enotes. IT IS EXTREMELY IMPORTANT THAT STUDENTS FILL OUT THE SCAN
Texas A&M - ENGR - 111
ENGR 111/112 General Examination Procedures 2007 During the spring and the fall semesters, approximately 1,600 students will enroll in ENGR111/112. In order to be fair to all concerned, the Instructors have established a set of procedures, which
Texas A&M - ENGR - 111
ENGR 111 A/SExam #1Feb21 , 2007Team No. _ Section No. _Name:_ ID#:_Scoring Rules: There are 15 M/C (multiple-choice) questions @ 3 points each=45 points. There are 2 workout questions worth 40 points. There are 1 graphics questions worth
Texas A&M - ENGR - 111
1.2.3.4.Topics to be covered in Exam 1: Truss Construction and Analysis a. What is a truss? b. What is the basic unit of a 3-D truss? c. What is a stable truss? d. Why do some trusses collapse even if there is no load? e. How do you stabilize
Texas A&M - ENGR - 111
Texas A&M - ENGR - 111
Texas A&M - ENGR - 111
The boom on a 4300-kg truck is used to unload a pallet of shingles of mass 1600 kg. Determine the reaction at each of the two (a) rear wheels B, (b) front wheels C.Assume that the Truck is stationary and its weight is concentrated at G.A hand truck
Texas A&M - ENGR - 111
Problem Solving Homework # 3 (PS_HW3) Problem 1.Review Ex_05_06. We have found force at C. Now find reaction force(s) at B. Hint: write equilibrium equations.10 lbA2 ft 3 ftBPIVOTCThe following problems are from "Statics and an Intr
Texas A&M - ENGR - 111
Should you have some review: remember the problem that we solved in class? Here is how we can solve it:Method 1:Definition: The magnitude of the turning action about a point = perpendicular distance from turning point (pivot) to the line of action
Texas A&M - ENGR - 111
QUIZ # 1.Class 3, September 4, 2007Name _ Team_ PAT (Post Assessment Test)1. (2 pts ) Given cos x = -1 3 and < x < , find sin x. 3 2 2. (2 pts ) Given cot x = 3 and < x < 2 , find tan x.4 3 and < x < 2 , find cos x 3 2 4. (4 pts). In the
Texas A&M - ENGR - 111
QUIZ # 2Class 4, September 6, 2007Name _ Team_ PAT (Post Assessment Test) Based on lecture from Class 03 (Week 02 on Enotes) 1. (2 pts) Truss B is more stable than truss A. TRUE FALSE(A) Short brace(B) Long brace2. (4 pts) By inspection (do
Texas A&M - ENGR - 111
QUIZ # 3Class 5, September 13, 2007Name _ Team_ PAT (Post Assessment Test) 1. (5 pts) Add the two vectors shown to form a resultant vector and report your result using polar vector representation. 15 ft 60 20 ft 502. (5 pts) DRAW T
Texas A&M - ENGR - 111
QUIZ # 4Class 6, September 18, 2007Name _ Team_Problem 1. (10 points) Trig practice. To calculate the height h of a mountain, angles , , and distance d are measured, as shown in the figure below. Find h in terms of , , and d. Completely simplify
Texas A&M - ENGR - 111
QUIZ # 5Class 7 September 20 2007Name _ Team_Problem 1. (15 points) Show all work.(The size of the grid square is 1cm x 1cm.) A) (5 points) For the object above, find the moment of the 5 N force around the point O. Use definition of the moment
Texas A&M - ENGR - 111
QUIZ # 6Class 8 September 25 2007Name _ Team_Problem 1. (10 points) Consider the truss ABCD. External force P is applied at point D. A) (5 points) Draw the free body diagram for the truss. B) (5 points) Find the reaction forces at A and C (A is
Texas A&M - ENGR - 111
QUIZ # 7Class 9September 27, 2007Name _ Team_Problem 1.Use the method of joints to determine the axial forces in all members. The reactions forces are: Ax = 3 kN Ay = 1.5 kN Cy = 1.5 kN a) (5 points) At this point you know all reaction f
Texas A&M - CHEM - 107
Chem 107-538 February 3, 2008 Experiment #1: Conservation Laws Purpose The purpose of this experiment is to discover whether Conservation Laws can be applied to Mass and Volume. Procedure The lab is to be done in two parts. In the first section, the
Texas A&M - CHEM - 107
1CHEM 107-528 September 17, 2007 Experiment 2: Aqueous Solutions and Solution Stoichiometry SUMMARY The purpose of this experiment was to learn about what types of ions and molecules are present in solutions. This was done through observing the con