As a person pushes a box across a floor, the energy from the person's moving arm is transferred to the box, and the
As a person pushed a box and the floor become warm. During this process, what happens to energy?
ws
O It is increased.
O It is conserved.
O It is decreased.
It is created
The energy has left the box and went to the floor, hence making it warm due to friction. Over time, the floor will cool because the energy has fully left.
