Introduction to Energy

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What is Potential Energy?

Back

Potential Energy is the energy stored in an object due to its position or state. It has the potential to do work when released.

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What is Kinetic Energy?

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Kinetic Energy is the energy of an object in motion. It depends on the mass and speed of the object.

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What factors affect Gravitational Potential Energy?

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Gravitational Potential Energy depends on the height and mass of the object.

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Which has more Potential Energy: a backpack held up or on the floor?

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A backpack being held up has more Potential Energy.

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Which has more Potential Energy: campfire wood or coals after burning?

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Campfire wood prior to burning has more Potential Energy.

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What is the formula for calculating Potential Energy?

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Potential Energy (PE) = mass (m) × gravitational acceleration (g) × height (h).

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What is Mechanical Energy?

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Mechanical Energy is the sum of Potential Energy and Kinetic Energy in a system.

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What is an example of Potential Energy?

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A rock at the top of a hill has Potential Energy due to its height.

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What is an example of Kinetic Energy?

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A rolling ball has Kinetic Energy due to its motion.

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What is Chemical Energy?

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Chemical Energy is the energy stored in the bonds of chemical compounds, like food or fuel.

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