Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.
-You drop the box.As it falls to its original level,its kinetic energy is 100 J.

Question

Quizplus · Accepted Answer

The box's potential energy at the top is converted to kinetic energy as it falls. The potential energy at 5 m is 20 N * 5 m = 100 J, which matches the kinetic energy when it reaches the original level.

Consider a Situation Where You Carry a 20-N Box Up