Change of Momentum

The change in momentum is...

• Power

• Energy

• Impulse

• Force

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NGSS.HS-PS2-2

You are calculating the momentum of a 2 kg toy car moving along the sidewalk at a speed of 0.5 m/s. What would happen to the momentum if you doubled the mass of the car?

• You would double the momentum.

• You would triple the momentum.

• You would half the momentum.

• The momentum would not change.

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NGSS.HS-PS2-2

Momentum is a ____________________ quantity

• science

• scalar

• vector

• energy

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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 any collision (crash) the ______ is ALWAYS constant

• Total Momentum

• total speed

• total Velocity

• Energy

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NGSS.HS-PS2-2

What does the principle of conservation of momentum imply for a closed system?

• The total energy of the system is conserved.

• The total momentum of the system before an event is equal to the total momentum after the event.

• The total mass of the system is conserved.

• The total force acting on the system is zero.

Tags

NGSS.HS-PS2-2

According to the Law of Conservation of Momentum, in the absence of external forces, the total momentum of a system

• Increases over time

• Decreases over time

• Remains constant

• Becomes zero

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NGSS.HS-PS2-2

The impulse acting on an object is always equal to its change in _____.

• Momentum

• Energy

• Position

• Velocity

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NGSS.HS-PS2-2

The total momentum before a collision is _________ the total momentum after a collision.

• equal to 

• less than 

• more than

• It depends on the type of collision

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NGSS.HS-PS2-2

This picture is an example of ____________

• Elastic Collision

• Inelastic collision

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NGSS.HS-PS2-2

NGSS.HS-PS2-3