Impulse & Momentum Quiz

Which of the following best describes momentum?

• The speed of an object

• The mass of an object

• The product of an object's mass and velocity

• The force applied to an object

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DOK Level 2: Skill/Concept

If a ball with a mass of 2 kg is moving at a velocity of 3 m/s, what is its momentum?

• 5 kg·m/s

• 6 kg·m/s

• 9 kg·m/s

• 12 kg·m/s

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DOK Level 2: Skill/Concept

Which of the following scenarios best illustrates the concept of impulse?

• A car moving at a constant speed

• A ball being hit by a bat

• A person standing still

• A leaf falling from a tree

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DOK Level 2: Skill/Concept

If a force of 10 N is applied to an object for 2 seconds, what is the impulse delivered to the object?

• 5 N·s

• 10 N·s

• 15 N·s

• 20 N·s

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DOK Level 2: Skill/Concept

Which of the following equations correctly represents the relationship between impulse and momentum?

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DOK Level 2: Skill/Concept

A 5 kg object is initially at rest. If a force of 15 N is applied to it for 3 seconds, what will be its final velocity?

• 3 m/s

• 6 m/s

• 9 m/s

• 12 m/s

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DOK Level 2: Skill/Concept

Which of the following best describes the law of conservation of momentum?

• Momentum can be created or destroyed

• The total momentum of a closed system remains constant

• Momentum is always increasing

• Momentum is always decreasing

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DOK Level 2: Skill/Concept

If two objects collide and stick together, what type of collision is this?

• Elastic collision

• Inelastic collision

• Perfectly elastic collision

• Perfectly inelastic collision

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DOK Level 2: Skill/Concept

A 3 kg ball moving at 4 m/s collides with a 2 kg ball at rest. If they stick together after the collision, what is their combined velocity?

• 1.2 m/s

• 2.4 m/s

• 3.6 m/s

• 4.8 m/s

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DOK Level 2: Skill/Concept

Which of the following statements is true about impulse and momentum?

• Impulse is the change in momentum

• Momentum is the change in impulse

• Impulse and momentum are unrelated

• Impulse is always greater than momentum

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DOK Level 2: Skill/Concept