Engineering Mechanics - Force System Resultants

Exercise :: Force System Resultants - General Questions

  • Force System Resultants - General Questions
41. 

Determine the magnitude of the projection of the moment cause by the force about the aa axis.

A. Maa = 16.97 kN-m
B. Maa = 12.00 kN-m
C. Maa = 6 kN-m
D. Maa = 8.48 kN-m

Answer: Option C

Explanation:

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42. 

Replace the force and couple system by an equivalent single force and couple acting at point P.

A. F = (-8.66i-15.00j) N, M = 50.0 N-m
B. F = (8.66i-15.00j) N, M = 42.0 N-m
C. F = (8.66i-15.00j) N, M = 50.0 N-m
D. F = (-8.66i-15.00j) N, M = 42.0 N-m

Answer: Option B

Explanation:

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43. 

A twist of 4 N-m is applied to the handle of the screwdriver. Resolve this couple moment into a pair of couple forces F exerted on the handle.

A. F = 133 N
B. F = 120 N
C. F = 60 N
D. F = 266 N

Answer: Option A

Explanation:

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