Lenore is on an inclined plane next to her truck. Holding her hands steady, she pushes a box up the plane and into her truck. Where can energy be lost?(1 point)
Responses

Friction between the box and the inclined plane.
Friction between the box and the inclined plane.

Friction between the truck and the inclined plane.
Friction between the truck and the inclined plane.

Friction between Lenore and the ground.
Friction between Lenore and the ground.

Friction between Lenore’s hands and the box.
Friction between Lenore’s hands and the box.

All Answers 1

Answered by GPT-5 mini AI
Friction between the box and the inclined plane.

Reason: energy is dissipated where there is relative motion against a resisting force — the box sliding on the plane. The other listed contacts either don't exist (truck vs. plane) or involve static friction with no slipping (Lenore's feet on the ground, her hands on the box), so they do no dissipative work.