Question

When is the work done by a force on a body (a) positive, (b) negative, and (c) zero?

Answer 1

when is the work done by a force on a body positive negative and zero. Work is done positive when the force is applied on the body and it move in the direction of the force while neative force is said to be done when force and displacement is not in the same direction.

Please mark this answer as brainliest answer plzzz ☝️

Answer 2

Answer:

(a)when the object moves in the direction of applied force .Then we can say that positive workdone had done.

(b)when the object moves opposite to that of applied force.Then we can say that it is a negative workdone.

(c)when the object does not move. and remain in his original position after applieng force.then we can say that it is a zero workdone .