Author: Study Clue

The property of a material to regain its original shape after deformation is called: A Plasticity B Elasticity C Ductility

Angular momentum of a rotating rigid body depends on: A Torque only B Radius only C Moment of inertia &

Torque depends on: A Force only B Distance only C Both force & perpendicular distance D Mass distribution Explanation τ

Angular momentum of a rigid body rotating with angular velocity ω is: A L = mv B L = Iω

Torque is defined as: A r×p B r×F C F×t D p×v Explanation Torque is the cross product of position

Net work done on a body is equal to: A Change in potential energy B Change in kinetic energy C

Work done by a force is positive when: A Force opposes motion B Force and displacement are in same direction

Work done by a constant force is calculated using: A F/t B Fdcosθ C Fv D d/v Explanation Work is

Work is said to be done when: A Force acts for any time B Force causes a displacement C Body

A mass suspended from a spring inside a freely falling elevator will appear to have: A increased weight B decreased