Home
Class 11
PHYSICS
State if each of the following state- ...

State if each of the following state- ments is true of false. Give reasons for your answer
Work done in the motion of a body over a closed loop is zero for every force in nature .

Text Solution

Verified by Experts

False. Work done in the motion of a body over a closed loop is zero only the body is moving under the action of conservative forces (like gravitational (or) electrostatic faces)
It is not zero when the forces are non conservative. e.g. frictional forces etc.
Promotional Banner

Similar Questions

Explore conceptually related problems

State whether the following statements are true or false. Give reasons for your answers. The sum of two even number is even .

State whether the following statements are true or false. Give reasons for your answers. A rhombus is a parallelogram .

State whether the following statements are true or false. Give reasons for your answers. For any real number x , x^(2) ge 0 .

State if each of the following statements is true or false . Give reasins for your answer . The work done by earth's gravitational force in keeping the moon in its orbit for its one revolution is zero .

State if each of the following statements is true or false . Give reasons for your answer . Total energy of a system is always conserved , no matter what internal and external forces on the body are present .

State whether the following statements are true or false? Also give reasons for your answers : All right angles are equal.