The energy of an object in a gravitational field (E=mgh)
Lesson 19 / 41
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I can calculate the change in energy of an object because of its movement in a gravitational field.
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When an object moves upwards, work is done against the gravitational force.
The gravitational force acting on an object does work to speed it up when it is falling.
Weight = mass x gravitational field strength, W = mg
Gravitational potential energy of an object = mass × gravitational field strength × height
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