Regents Impulse & Momentum Quiz

What does the impulse experienced by an object equal?

• The object's change in velocity

• The object's change in acceleration

• The object's change in momentum

• The object's change in position

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NGSS.HS-PS2-2

According to the Impulse-Momentum Theorem, the impulse on an object is equal to which of the following?

• The object's final velocity

• The object's change in kinetic energy

• The object's change in momentum

• The force applied on the object

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NGSS.HS-PS2-2

If an object's momentum remains constant, what can be inferred about the net impulse on the object?

• It is increasing over time.

• It is zero.

• It is decreasing over time.

• It is constant but not zero.

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NGSS.HS-PS2-2

What effect does increasing the duration of force application have on the impulse imparted to an object?

• Decreases the impulse

• No effect on the impulse

• Increases the impulse

• Initially increases then decreases the impulse

In the context of impulse and momentum, what does extending the time of impact during a collision do to the force experienced by the objects?

• Increases the force

• Decreases the force

• Has no effect on the force

• Initially decreases then increases the force

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NGSS.HS-PS2-1

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What is the SI unit of impulse?

• Newton (N)

• Joule (J)

• Newton-second (Ns)

• Kilogram-meter per second (kg·m/s)

Why is it beneficial for a boxer to move his head back at the moment of impact from a punch?

• It increases the impulse to the head.

• It decreases the time of impact, increasing the force.

• It increases the time of impact, decreasing the force.

• It has no effect on the impulse or force.

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NGSS.HS-PS2-1

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A 10 kg object is subjected to a force of 5 N for 4 seconds. Calculate the impulse imparted to the object.

• 10 Ns

• 20 Ns

• 40 Ns

• 50 Ns

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NGSS.HS-PS2-1

An object's momentum changes from 30 kg·m/s to 60 kg·m/s in 3 seconds. What is the magnitude of the average force exerted on the object?

• 10 N

• 30 N

• 90 N

• 10 kg·m/s²

Tags

NGSS.HS-PS2-1

A soccer ball with a momentum of 12 kg·m/s is stopped in 0.5 seconds. What is the magnitude of the average force applied to stop the ball?

• 6 N

• 12 N

• 24 N

• 48 N

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NGSS.HS-PS2-1