Question

Describe zero work done? with example

Answer 1

Holding a rock for more than 30 min, in a same place and not moving is zero work done



Hope u will undeestand.

Answer 2

Work done is said to be zero during these cases

Work done is said to be zero when the displacement is zero or when the displacement done is perpendicular to the direction of applied force.

Examples

When a person pushes an object but fails to move it.

When a person is standing.

When we are sitting.

When no motion is caused in a body.