Unit 5 Momentum Test Review

A 2 kg cart is traveling at 4 m/s. It hits and sticks to a 6 kg cart that was originally at rest. What kind of collision is this?

• Elastic collision

• inelastic collision

• explosion

Tags

NGSS.HS-PS2-2

A 2 kg cart is traveling at 4 m/s. It hits and sticks to a 6 kg cart that was originally at rest. What is the new speed of the two-cart system?

• 4 m/s

• 2 m/s

• 1 m/s

• 0 m/s

Tags

NGSS.HS-PS2-2

Why is it good to bend your knees when you land?

• More time, less force

• More time, more force

• More time, less impulse

• More time, more impulse

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NGSS.HS-PS2-1

NGSS.HS-PS2-3

"The initial momentum of the system is the same as the final momentum of the system, as long as there are no external forces," is the...

• Conservation of Energy

• Conservation of Impulse

• Conservation of Momentum

• Conservation of Gazelles

Tags

NGSS.HS-PS2-2

I throw a dodgeball at my friend. Upon impact with my friend, the dodgeball experiences -30 Ns of impulse. How much impulse does my friend experience?

• Much more than the dodgeball

• Exactly +30 Ns

• Much less than the dodgeball

Tags

NGSS.HS-PS2-2

Which of the following has the largest amount of momentum?

• A semi-truck traveling at highway speeds
• A college track athlete running a race
• A baby crawling on the floor
• A student sitting at a desk

Tags

NGSS.HS-PS2-2

Which of the following has the smallest amount of momentum?

• A semi-truck traveling at highway speeds
• A college track athlete running a race
• A baby crawling on the floor
• A student sitting at a desk

Tags

NGSS.HS-PS2-2

An egg is thrown at a wall and at a bed sheet. The force of impact will be

• Greater against the wall
• Greater against the sheet
• Force is equal

Tags

NGSS.HS-PS2-1

A(n) _________________ causes and is equal to a change in momentum

• impulse
• force
• joule
• watt

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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

Tags

NGSS.HS-PS2-2