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abstraction > mathematical concept > number > quantity > energy > potential energy |
potential energy comparison table |
Subject | has unit | is a kind of | has value | has definition |
---|---|---|---|---|
gravitational potential energy | energy unit | potential energy | When we lift a weight from the floor to a tabletop, we clearly put energy into it. The energy is not lost, however, because we can retrieve it by allowing the weight to fall back to the floor. While the weight is on the table, we say that the energy is stored as gravitational potential energy. The energy is stored in the gravitational field. |
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