Home
Class 12
PHYSICS
Assertion : The work done during a rou...

Assertion : The work done during a round trip is always zero. Reason : No force is required to move a body in its round trip.

A

Only I is correct

B

Only II is correct

C

Both the statements are correct

D

None is correct

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

A : The work done by a force during round trip is always zero. R : The average value of force in round trip is zero.

A force is always required to move a body uniformly . Comment .

Assertion : Power developed in circular motion is always zero. Reason : Work done in case of circular motion is zero.

Assertion (A) : Work done in uniform circular motion is zero. Reason (R) : Force is always directed along displacement .

Assertion : The work done by the spring force in a cyclic process is zero. Reason : Spring force is a conservative force.

Assertion , No work is done if the displacement is zero Reason: Work done by the force is defined to be the product of component of the force in the the direction of the displacement and the magnitude of displacement.

Assertion : When pendulum bob is rotating in a circle around the point of suspension then work done by tension and the weight is zero . Reason : Work done by a force is defined as dot product of force vector and displacement vector .

A : When a body moves in a circle the work done by the centripetal force is always zero. R : Centripetal force is perpendicular to displacement at every instant.