7 Momentum Review

A 0.250 kg cart moving at 0.400 m/s has how much momentum?

• 0.1 kg-m/s
• 1 kg-m/s
• 10 kg-m/s
• 100 kg-m/s

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NGSS.HS-PS2-2

If 2 objects collide and stick together, what will happen to their velocities?

• velocities will increase
• velocities will decrease
• velocities will stay the same
• none of the above

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NGSS.HS-PS2-2

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

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NGSS.HS-PS2-2

In this type of collision, objects tend to "stick" together.

• elastic
• inelastic 
• They "stick" together in both types of collisions

A big fish swims upon and swallows a small fish at rest. After lunch, the big fish has less

• momentum
• velocity
• mass

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NGSS.HS-PS2-2

The units for Impulse are

• N/s
• N⋅s
• N
• m/s

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NGSS.HS-PS2-2

Momentum is conserved in this type of collision

• elastic
• inelastic
• momentum is conserved in both types of collisions

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NGSS.HS-PS2-2

Cart A is pulled with a 2 Newton force for 2 seconds, and Cart B is pulled with a 1 Newton force for 3 seconds.  Which cart experiences the greatest impulse?

• Cart B
• Cart A
• they are the same

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NGSS.HS-PS2-2

Momentum is a ____________________ quantity

• science
• scalar
• vector
• energy

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NGSS.HS-PS2-2

T/F:  A big truck will always have more momentum than a small car.

• True
• False

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NGSS.HS-PS2-2