Simple Description

The ability of an object to do work. Measured in Joules.

Further Detail

If an object has energy then it is able to do work. For example, if an object is lifted up then it has gravitational potential energy - it has the potential to do work against the air as it falls back down again.

Related Words:

• Kinetic energy
• Gravitational potential energy
• Joule
• J
• Power

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