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Forces and Energy, Energy, Calculating PE and KE, Work, Efficiency and…
Forces and Energy
Energy transformation
Conservation of energy
When energy changes from one form to another, it is transformed
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Wasting energy
It means
When energy is transformed, some of it wasted in the process
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Calculating PE and KE
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Scalar problems
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The PE depends merely on the vertical gain in height but not on the path taken to gain that same height
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