Question

Isabel pushes a toy car, giving it kinetic energy. When this happens, what happens to the energy in her arm?

A) The energy in her arm increases.

B) The energy in her arm is destroyed.

C) The energy in her arm decreases.

D) The energy in her arm stays the same.

Answer 1

C the energy in her arms decreases. if you think about it, after you push something your arm will slow down during the push even if it is something that is lightweight. it causes you to exert more energy which would decrease the amount left in your arm.

Answer 2

c the energy in her arn decrease