What causes an object to slow down?
sweating hormones quadriceps smooth surfaces electrically friction speed lack of friction
A B C D E F G H
With less energy, the electron slows down.
Friction causes an object to slow down.
What causes an object to slow down? (A) sweating (B) hormones (C) quadriceps (D) smooth surfaces (E) electrically (F) friction (G) speed (H) lack of friction