Free-body diagrams
9 practice questionsEngineering StaticsStep-by-step solutions
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1
What is the purpose of a free-body diagram?
A.Show only internal atoms
B.Calculate software memory
C.List accounting entries
D.Show all external forces and moments acting on a body
2
A structure is said to be 'statically determinate' when:
A.It has more unknowns than equilibrium equations
B.The reactions can be found from equilibrium equations alone
C.It cannot be analyzed
D.It has no supports
3
A 'couple' in statics consists of:
A.A single force
B.Two equal, opposite, parallel forces producing pure rotation
C.Three concurrent forces
D.A force and a support
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