NGSS.HS-PS2-2

Like velocity, acceleration, and force, momentum is described by its direction as well as its quantity. This Means it is a _______

• scalar quantity

• vector quantity

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NGSS.HS-PS2-2

What is true about the relationship between mass and momentum.

• The less mass an object has, the more momentum it will have.

• The more mass an object has, the less momentum it will have.

• The more mass an object has, the more momentum it will have.

• Mass has nothing to do with momentum.

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NGSS.HS-PS2-2

The equation for momentum is?

• momentum = force - mass

• momentum = acceleration / mass

• momentum = mass x acceleration

• momentum = mass x velocity

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NGSS.HS-PS2-2

A figure skating pair is moving together at 10 m/s. One is thrown forward at 15 m/s. The speed of the center of mass after the throw is _____? (ignore friction)

• greater than 10 m/s

• 10 m/s

• less than 10 m/s

• depends on the masses of the two skaters

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NGSS.HS-PS2-2

Which TWO variables determine the MOMENTUM for an object?

• time

• density

• velocity

• mass

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NGSS.HS-PS2-2

 

If the cars collide INELASTICALLY, how would they move afterward (if at all)?

• They would BOUNCE OFF and move LEFT

• They would STICK TOGETHER and move LEFT

• They would BOUNCE OFF and move RIGHT

• They would STICK TOGETHER and move RIGHT

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NGSS.HS-PS2-2

What is the TOTAL MOMENTUM for the system BEFORE COLLISION?

• 14 kg m/s

• 24 kg m/s

• 10 kg m/s

• -24 kg m/s

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NGSS.HS-PS2-2

The momentum of an object depends upon the object's ___________&_____________.

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

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NGSS.HS-PS2-2

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• car
• bike
• they are equal
• cannot determine using the info provided

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NGSS.HS-PS2-2

Momentum is a ____________________ quantity

• science
• scalar
• vector
• energy

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NGSS.HS-PS2-2