Question

when is the work done by the force on a body positive negative and zero​

Answer 1

Answer:

1.zero : when the body on applying force does not change its position.

2. positive : when the body on applying force

moves in the direction of force applied.

3. negative : when the body on applying force

moves in the opposite direction to the direction of force applied.

hope this is helpful.

Answer 2

Answer:

If 2 bodies are applying equal force on an object , then the motion of object is zero.