Potential+Energy

= Potential Energy=

Potential energy is stored energy, which can be released under certain circumstances. Any object can store energy:

Because of it's position (gravitational potential energy)- for example, water stored behind a dam. Because of it's shape (elastic potential energy)- for example, a bow bent back to fire an arrow. Because of it's chemistry (chemical potential energy)- for example, a tank of petrol.

Measuring gravitational potential energy: The gravitational potential energy of an object depends on the vertical height above ground (h) in metres, it's mass (m) in kilograms, and the pull of gravity on the mass (g) in metres per second.

Ep= Mass X Height X Gravity

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