> i know it’s the ability to do work and all that, but this isn’t what energy is, it’s what energy does.
That’s not true. The ability to do something isn’t the action itself.
When a system has energy, that energy can be used to do lots of things; pushing something, shining a light, heating something up. But before the energy is converted, it isn’t any of those things; it’s the property of the system that allows it to do those things.
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