Question

When is the work done by a force a.)positive b.)negative c.)zero

Answer 1

if there is a displacement then work is said to be done so in this question no displacement is done then work done will be zero the c option

Answer 2

Hi there,

If work is done by a applied force ,and displacement of the body show in the direction of the force applied then the work done is called to be Postive work doner.

Hence,option A is correct..