ROTATIONAL MOTION Quiz

• It makes torque a scalar
• It gives torque both magnitude and direction
• It reduces computation
• It is unnecessary

• Only ƩF = 0
• Only Ʃτ = 0
• Both ƩF = 0 and Ʃτ = 0
• Velocity is zero

• Potential energy
• Heat energy
• Translational kinetic energy
• Chemical energy

• Net external force is zero
• Net external torque is zero
• All forces are zero
• Body is not rotating

• Zero external force
• Zero internal force
• Zero external torque
• Constant angular velocity