Lesson 2: Potential Energy

What is potential energy?

• The energy an object has due to its atomic structure.

• The energy an object has due to its chemical composition.

• The energy an object has due to its motion.

• The energy an object has due to its position or condition.

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Which object has the most potential energy?

• A ball resting on the ground.

• A ball being thrown at 100 miles per hour.

• A ball on top of a refrigerator.

• A ball resting on the edge of a cliff.

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Which is the best synonym for potential energy?

• Stored energy

• Energy of motion

• Energy due to gravity

• Mechanical energy

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A kite stuck in a tree has ______ energy due to its position.

• Potential

• Kinetic

• Chemical

• Thermal

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A rubber ball is dropped and bounces back up. The ball's potential energy _______.

• Is greater at C than at A

• Is the same at its kinetic energy at A

• Is at its maximum at A

• Is zero at B

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Energy stored because of gravity is called:

• Gravitational Potential Energy

• Kinetic Energy

• Mechanical Advantage

• Chemical Energy

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At which point does the ball has the greatest gravitational potential energy (GPE)?

• A

• G

• D

• C

• G

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Which would have the LEAST gravitational potential energy (GPE)?

• A ball sitting on the ground

• Moon viewed from the Earth

• An airplane flying 30,000 feet above the ground

• A rock sitting on top of Mt. Everest

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How could you increase the gravitational potential energy of an object without changing its mass and gravity?

• Make the object larger

• Lower the object towards the ground

• Raise the object farther off the ground

• Allow the object to roll on the ground

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If an object is on top of a hill or in a position raised above the ground, it must have __________.

• Kinetic energy

• Gravitational potential energy

• Elastic potential energy

• Chemical potential energy

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