Physics Tutorial 6.9 - Torque Revision Questions

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Centre of Mass and Linear Momentum Learning Material
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6.9Torque

Torque Revision Questions

1) Calculate the net torque for the system shown in the figure (take anticlockwise as positive).

Physics Tutorials: This image provides visual information for the physics tutorial Torque

What is the net torque of the system if cos 370 = 0.8 and sin 370 = 0.6?

  1. 110 N × m
  2. 32 N × m
  3. - 26 N × m
  4. 26 N × m

Correct Answer: D

2) Calculate the net torque of the system shown in the figure. (Take anticlockwise as positive)

Physics Tutorials: This image provides visual information for the physics tutorial Torque
  1. - 90 N × m
  2. 90 N × m
  3. - 30 N × m
  4. - 18 N × m

Correct Answer: A

3) Rank the torques the four forces in the figure produce in the system (greatest first).

Physics Tutorials: This image provides visual information for the physics tutorial Torque
  1. τ4 > τ1 > τ2 > τ3
  2. τ4 > τ3 > τ1 = τ2
  3. τ4 > τ3 > τ1 > τ2
  4. τ4 > τ1 > τ3 = τ2

Correct Answer: B

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