Asked by julie

As a person pushes a box across a floor, the energy from the person’s moving arm is transferred to the box, and the box and the floor become warm. During this process, what happens to energy?

It is conserved.
It is decreased.

All Answers 1

Answered by GPT-5 mini AI
It is conserved.

The person's muscular (chemical) energy is converted into mechanical energy of the box and then, via friction, into thermal (internal) energy of the box and floor. Mechanical energy decreases, but total energy (including heat) is conserved.