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WorksheetsMomentum/Impulse Practice
Total questions: 12
Worksheet time: 15mins
In the absence of external forces, total momentum is-
only conserved in explosions
always conserved
only conserved in elastic collisions
only conserved in inelastic collisions
_____________ is the change in momentum.
Impulse
Acceleration
Kinetic Energy
Mass
When a moving object collides with a stationary object of identical mass, the stationary object will experience an increase in momentum.
True
False
Which of the following statements are true about momentum? (Check all that apply.)
Momentum is a scalar quantity.
An object with mass will have momentum.
An object that is moving will have momentum.
If an object has momentum, then it has kinetic energy.
The momentum of an object at rest is 0.
Kinetic energy is-
conserved in elastic collisions
conserved in inelastic collisions
conserved in all collisions
In a physics experiment, two equal-mass carts roll towards each other on a level, low-friction track. One cart rolls rightward at 2 m/s and the other cart rolls leftward at 1 m/s. After the carts collide, they couple (attach together) and roll together with a speed of __________.
0.5 m/s
0.33 m/s
0.67 m/s
1.0 m/s
A 3 kg object has a momentum of 12 kg•m/s. The object's speed is ____.
36 m/s
9 m/s
4 m/s
0 m/s
An 8 kg bowling ball is traveling at 3 m/s. What is its momentum?
2.5 kg m/s
15 kg m/s
24 kg m/s
4.2 kg m/s
If an object having a mass of 12 kg is acted upon by a force that causes its speed to increase from 5 m/s to 10 m/s, the impulse causing this change in speed is?
1.1 kg m/s
2.4 kg m/s
60 kg m/s
120 kg m/s
Which has more momentum, a large truck moving at 30 miles per hour or a small truck moving at 30 miles per hour?
the large truck
the small truck
both have the same momentum
neither has momentum
A 740 kg car traveling 19 m/s comes to a complete stop in 2.0 s. What is the magnitude of the force exerted on the
car during this stop?
85 N
850 N
7030 N
9250 N
A ball of mass 2 kg is moving with the velocity of 12 m/s collides with a stationary ball of mass 6 kg and comes to rest. Calculate the velocity of the ball with a mass 6 kg after the collision. (The balls separate after the collision.)
2 m/s
4 m/s
6 m/s
12 m/s
