ROTATIONAL MOTION

What is the rotational equivalent of linear displacement in translational motion?

• Time
• Angular acceleration
• Force
• Angular displacement

Which physical quantity in rotational motion is analogous to mass in linear motion?

• Angular velocity
• Torque
• Linear momentum
• Moment of inertia

What determines the difficulty in changing rotational motion of a body?

• Angular speed
• Linear speed
• Moment of inertia
• Radius

What is the moment of inertia of a solid sphere about a tangent?

• 2 M R²/5
• M R²
• 7 M R²/5
• 5 M R²/3

What is the moment of inertia of a disc about a tangent in its plane?

• M R²/2
• M R²
• 5 M R²/4
• 3 M R²/2