Energy and Work Quiz

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DOK Level 1: Recall

If an object has a mass of 10 kg and is moving with a velocity of 5 m/s, what is its kinetic energy?

• 125 J

• 25 J

• 250 J

• 50 J

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DOK Level 2: Skill/Concept

What is the definition of work done by a force in physics?

• The displacement caused by a force

• The rate of doing work

• The energy transferred by a force moving an object over a distance

• The force applied on an object

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DOK Level 1: Recall

Calculate the work done when a force of 20 N moves an object 3 meters in the direction of the force.

• 60 J

• 23 J

• 15 J

• 6 J

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DOK Level 2: Skill/Concept

What is the definition of power in physics?

• The rate of transferring energy

• The amount of energy used per unit time

• Both A and B

• The force applied over a distance

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DOK Level 1: Recall

How do you calculate the power if 100 J of work is done in 5 seconds?

• 20 W

• 500 W

• 105 W

• 15 W

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DOK Level 2: Skill/Concept

What is the kinetic energy of an object with a mass of 2 kg moving at a velocity of 3 m/s?

• 9 J

• 18 J

• 6 J

• 12 J

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DOK Level 2: Skill/Concept

Which formula represents the kinetic energy (KE) of an object?

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DOK Level 1: Recall

If a force of 50 N is applied over a distance of 4 meters, how much work is done?

• 200 J

• 54 J

• 100 J

• 204 J

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DOK Level 2: Skill/Concept

What does the power measure in physical terms?

• The speed at which an object moves

• The rate at which work is done or energy is transferred

• The amount of force applied

• The distance an object travels

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DOK Level 1: Recall