Question

write two conditions of zero work​

Answer 1

Explanation:

Two conditions when the work done is zero are: (i) When there is no displacement (S=0) and, (ii) When the displacement is nonual to the direction of the force (θ=90o).

Answer 2

Two conditions when the work done is zero are:

1. When there is no displacement (S=0) and,
2. When the displacement is nonual to the direction of the force (θ=90°).