Method of joints example 1
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Engineering, Physics, Science
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University
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a truss problem using the method of joints?
Draw the free body diagram
Identify the supports
Calculate the internal forces
Analyze the geometry
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the length of a side in a truss using geometry?
Using the tangent rule
Using Pythagoras' theorem
Using the cosine rule
Using the sine rule
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of replacing supports with reaction forces in a free body diagram?
To find the reaction forces
To determine the external forces
To calculate internal forces
To simplify the diagram
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which direction is assumed positive when calculating the sum of moments about a point?
Clockwise
Counterclockwise
Vertical
Horizontal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the method of joints primarily used for in truss analysis?
To determine support types
To calculate angles
To analyze individual joints
To find reaction forces
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When analyzing joint B, what is the internal force in member BC?
6 kilonewtons
4 kilonewtons
3 kilonewtons
5 kilonewtons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a negative sign indicate about the internal force in a truss member?
The force is incorrect
The force is zero
The member is in compression
The member is in tension
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