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Physics Ch. test
Ch. 3.2-4.1 test
| Question | Answer |
|---|---|
| energy | the quantity that measures the ability to cause change |
| work | the transfer of energy |
| work equation | W=Fd |
| potential energy | energy due to position |
| potential energy equation | Ep=mgh |
| kinetic energy | energy due to motion |
| kinetic energy equation | Ek=1/2m(v(squared)) |
| law of conservation of energy | the law that states that energy can never be created or destroyed, just converted from one form into another |
| power | the rate at which work is done |
| power equation | P=W/t |
| watt | unit for power; equal to one joule per second |
| horsepower | equal to 746 watts |
| joule | unit for energy; equal to one Newton meter |