| http://www.w3.org/ns/prov#value | - Mass is a constant.It requires more work/horsepower to get a heavier car at the same equal top speed.Power (P) is work( W) done in unit time (t).P = W/tas work and energy (E) are same it follows that power is also energy consumed or generated per unit time.Work is the product of force and the distance over which it moves.
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