ROTATIONAL MOTION

Torque is analogous to which linear quantity?

• Mass
• Velocity
• Force
• Energy

Rotational kinetic energy is analogous to which linear quantity?

• Momentum
• Force
• Potential energy
• Translational kinetic energy

Which has greater moment of inertia: a solid sphere or a hollow sphere of same mass and radius?

• Solid sphere
• Hollow sphere
• Both same
• Depends on material

A solid sphere and solid cylinder of same mass and radius roll down an incline. Which reaches bottom first?

• Solid cylinder
• Both same
• Solid sphere
• Depends on mass

If radius of a rotating ring is doubled without changing mass, what happens to moment of inertia?

• Doubles
• Becomes four times
• Halves
• Remains same