Author: Study Clue

A wire elongates by ΔL when loaded. The proportional constant linking stress and strain is: A Bulk modulus B Young’s

A stress that changes the shape of a body without changing its volume is called: A Tensile stress B Bulk

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