Work-less force: When a force is applied vertically in the direction of displacement of the body. Then that force does not perform any work. That is known as work-less force.

What is non work force give example?

Zero work is defined when force and displacement are perpendicular to one another and when force or displacement is zero. Example: The force acts in a downward direction, ... If you push a wall, it doesn't move there's no work done. Sleeping for several hours is also an instance of not doing work.

What is meant by no workforce?

The force exerted by the person is an upward force equal to the weight of the box, and that force is perpendicular to the motion. If there is no motion in the direction of the force, then no work is done by that force. ... It changes the direction of the motion, but it does no work on the object.