Nature Of The Work Done

Nature Of Work Done|Positive Work Done|Negative Work Done|Energy|Important Points|Summary

Is it true for every force in nature that the work done by it on the undergoing motion in a closed loop is always zero?

In which of the following, the work done by the mentioned force is negative ? The work done by

Consider the following figure andtell the nature of work done.

Consider the following figure and tell the nature of work done.

Consider the following figure andtell the nature of work done.

A gas filled in a cylinder fitted with a movable piston is compressed. What is the nature of work done by the applied force?

A body P is on a body Q and moving with it. Comment on the nature of work done by frinction on body P and on body Q at their contact surface