1. The impulse experienced by a body is equivalent to the body’s change in _____.
a. friction
b. momentum
c. weight
d. direction
2. Which example identifies a change in motion that produces acceleration?
a. A ball moving at a constant speed on a straight track
b. A speed-skater moving at a constant speed on a straight track
c. A particle moving in a vacuum at constant velocity
d. A vehicle turning left at a constant speed
3. Which of the following scenarios would increase an object’s acceleration?
a. decreasing the net force acting upon the object
b. increasing the object's mass without any changes to the net force acting upon the object
c. decreasing the object's mass without any changes to the net force acting upon the object
d. increasing both the net force acting upon the object and the mass of the object
proportionally
1. b. momentum
2. d. A vehicle turning left at a constant speed
3. d. increasing both the net force acting upon the object and the mass of the object proportionally