A waiter carries a plate on top of his arm. The waiter's arm applies an upward force to the plate and holds it up. This force is a push. What is the direction of this force?

away from his plate or away from his arm?

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603