Question

You climb up a flight of stairs and then climb down . Did you do any work here .?????⚔️​

Answer 1

Answer:

When the person is climbing up the stairs, he is applying force in downward direction and the normal reaction force is in the upward direction. Here the displacement is also in the upward direction. Hence the normal reaction and displacement is in the same direction, that means work done by the force is positive.

Explanation:

Hope it helps!!

Please mark my answer BRAINLIEST.