Question

State the condition when the work done by a force is a.positive b.negative c.zero .explain with the help of examples

Answer 1

Answer:

All

Explanation:a. When an object is moving with a uniform velocity along a particular directionof force

B.AC supplied in the opposite direction the angle between the two directions is 180 let the object stop after the displacement is such a situation the work done by the force f is taken as a negative and another by the minus sign the work done by the force is F*(-s) or (-f*s)