Question

Give an example is positive , negative, zero warke

Answer 1

Answer:

Positive work ---- When we apply force on any object to move it like pushing a box, and displaces to a distance.

Negative work ---- When displacement is in opposite direction. As throw a ball vertically upward direction but due to gravitational force it will comes down.

Zero work ---- When force and displacement makes 90° with each other

When a coolie uplifts suitcase on his head on stairs.