Question

If a body is not at rest, the net external force acting on it cannot be zero. Is it correct?

Answer 1

Answer:

It can be zero

Explanation:

While we consider the inclined plane, this situation is possible

Answer 2

Answer:

· This external force cannot be zero. By 'not at rest' I think you mean that the body is in motion. ... If net external force=0 then no motion. Similarly if a body is at motion,It will continue its motion unless an external force acts against its motion