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| You do work on an object when you exert a force on the object that causes the object to move some distance. |
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| One joule is the amount of work you do when you exert a force of 1 newton to move an object a distance of 1 meter. |
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| The amount of work done on an object is equal to the force on an object in the direction of its motion multiplied by the distance the object moves. |
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| In order to do work on an object, the force you exert must be in the same direction as the object's motion. |
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