3-1 Work, Energy And Power Question Preview (ID: 8121)
Review Questions For 3-1 And 3-2.
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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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