Impulse and Momentum Quiz

What is the definition of impulse?

• The force applied to an object over a distance

• The product of mass and acceleration

• The product of force and the time it acts on an object

• The velocity of an object at a given point in time

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NGSS.HS-PS2-2

NGSS.HS-PS2-3

Which of the following equations represents impulse?

• J = m ⋅ a

• J = F ⋅ Δt

• J = F ⋅ d

• J = m ⋅ g

If a force of 10 N is applied for 5 seconds, what is the impulse?

• 2 Ns

• 50 Ns

• 10 Ns

• 5 Ns

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NGSS.HS-PS2-2

Impulse is equal to which of the following?

• Change in velocity

• Change in acceleration

• Change in momentum

• Change in force

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NGSS.HS-PS2-2

What happens to the force applied if the collision time is doubled, assuming impulse remains constant?

• The force is halved

• The force is doubled

• The force stays the same

• The force becomes zero

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NGSS.HS-PS2-1

NGSS.HS-PS2-3

Which of the following describes a "soft collision"?

• The collision time is increased to reduce force.

• The collision time is decreased to increase momentum.

• The impulse is minimized by decreasing mass.

• The velocity change is eliminated.

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NGSS.HS-PS2-3

If an object with a mass of 2 kg changes velocity from 5 m/s to 15 m/s, what is the impulse?

• 10 Ns

• 20 Ns

• 30 Ns

• 40 Ns

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NGSS.HS-PS2-2

Which safety feature demonstrates the principle of increasing collision time to reduce force?

• Seatbelt

• Airbag

• Anti-lock brakes

• Traction control system

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NGSS.HS-PS2-3

Rearranging the impulse formula J = F ⋅ Δt, how can you calculate force?

• F = J ⋅ Δt

• F = J / Δt

• F = Δt / J

• F = m ⋅ J

Tags

NGSS.HS-PS2-1

If an object experiences a momentum change of 50 Ns and the collision lasts 2 seconds, what is the average force applied?

• 25 N

• 50 N

• 100 N

• 10 N

Tags

NGSS.HS-PS2-1