ROTATIONAL MOTION

3280 practice questions with explanations

Page 117 of 656  ·  Q581–585
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581 Question 581

If the radius of a rotating ring is doubled while keeping mass and angular speed constant, what happens to its kinetic energy?

582 Question 582

What is the angular acceleration of a body with I = 0.5 kg m² when τ = 2 Nm is applied?

583 Question 583

A body gains 36 J of kinetic energy after a torque acts on it. If no energy is lost, what is the work done by the torque?

584 Question 584

What is the work done by a constant torque of 6 Nm in rotating a body through 4 radians?

585 Question 585

A force of 50 N is applied at the rim of a wheel of radius 0.1 m. What torque is produced?

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