Question

Give one example where work done on an object is zero.​

Answer 1

Ans = (1) The work done against gravity in moving a book horizontally on a table is zero. (2) If we try to move a heavy box, and the box is not at all moving, then the work done by us will be zero

Answer 2

(1) The work done against gravity in moving a book horizontally on a table is zero. (2) If we try to move a heavy box, and the box is not at all moving, then the work done by us will be zero