ROTATIONAL MOTION

What is the work done by torque in rotational motion?

• τ/θ
• τ + θ
• τθ
• τω

What is the angular momentum of a rigid body rotating with angular velocity ω?

• mv
• Iω²
• Iω
• Fτ

What is the direction of torque vector?

• Same as force
• Same as velocity
• Perpendicular to the plane containing force and position vector
• Radially outward

What is the angular momentum of a particle of mass m moving with velocity v at perpendicular distance r from the axis?

• mv
• mr
• mvr
• vr

What is the condition for rolling without slipping?

• v = 0
• v = 2ωR
• v = ωR
• v = ω/R