ROTATIONAL MOTION

3280 practice questions with explanations

Page 122 of 656  ·  Q606–610
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606 Question 606

What is the kinetic energy of a flywheel with I = 0.4 kg m² and ω = √250 rad/s?

607 Question 607

A body rotates with angular velocity 10 rad/s and has moment of inertia 0.5 kg m². What is its angular momentum?

608 Question 608

What is the cause of angular acceleration in a rigid body?

609 Question 609

A torque of 6 Nm rotates a body through 3 radians. How much work is done?

610 Question 610

If radius of a rotating body is doubled while keeping mass and angular velocity same, what happens to moment of inertia?

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