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There is really no such thing as "negative force" (force is a vector quantity); in this case, it must be an informal way to refer to a force acting in the direction opposite to the object's movement.

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13y ago

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What is energy mean?

Potential energy refers to the energy arising from the arrangement of a system of objects (particles), which interact with each other. Here, interaction means that objects apply force on each other. A change in the arrangement brings about a change in the forces interacting on the objects and the associated potential energy.


What energy mean?

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What happens when liquid solids or gas absorb heat?

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What does joules apply to?

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