1) a heavy truck hits a small car. At any given time during the impact.

a) the force the truck exerts on the car is larger than the force the car exerts on the truck

b) the force the truck exerts on the car is smaller than the force the car exerts on the truck

c) the force the ruck exerts on the car is equal to the force the car exerts on the truck

d) the only force present is the force of the truck on the car

2) if object A has more mass than object B,

a) A will weigh more than B

b) A will be harder to accelerate than B

c) A will be harder to keep moving in a circle

d) all of the above

3) freely falling bodies experience

a) motion with constant velocity

b) motion with zero acceleration

c) motion with constant acceleration

d) motion at a constant speed

e) none of the above

4) The time for one complete cycle of a periodic process to take place is called

a) amplitude

b) frequency

c) period

d) wavelength

e) speed

5) A racecar driver steps on a gas, changing his speed from 10 m/s to 30 m/s in 4 seconds. The acceleration of the racecar is ?