Question

1.) Which of the following best describes the movement of an object at rest if no outside forces act on it?

a; it will move due to inertia
b; gravity will eventually cause it to move
c; it will stay at rest inertia
d; it will stay at rest gravity

2.) A 2,500 kg car moves at 15m/s2 ; 15m/s2 is the____) of the car?

a; acceleration
b; force
c; velocity
d; speed