# 3-1 Work, Energy And Power: Question Preview (ID: 8121)

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 What is the use of force to move an object some distance? a) work b) Force c) Distance d) movement How is work calculated? (What is the formula?) a) Work = Force x Distance b) Work = Force x Motion c) Work = Meters x Distance d) Work = Power x Distance Force is measured in what unit? a) Newtons b) Joules c) Meters d) Watts Work is measured in what unit? a) Joules b) Meters c) Watts d) Seconds What is the ability to do work? a) energy b) power c) force d) time What is the rate at which work is done? a) power b) energy c) force d) joules What is the formula used to find power? a) Power = Energy /Time b) Power = Energy/Force c) Power = Time/Distance d) Power = Force x Distance Power is measured in what unit? a) Watt b) Joules c) Meters d) Newtons What takes place when energy changes from one form to another? a) energy transformation b) work c) force d) energy loss Energy cannot be created or destroyed; it can only change forms. What is this called? a) Law of Conservation of Energy b) Law of Gravity c) Law of Energy d) Law of Isaac Newton
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