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PS CH 14 Voc S1 & S2 (12)
Contribué par: Conway
  • 1. the product of distance and the force in the direction an object moves
A) Force
B) Power
C) Energy
D) Work
  • 2. the SI unit of work, equal to 1 newton-meter
A) Meter (m)
B) Joule (J)
C) Watt (W)
D) Newton (N)
  • 3. the SI units of power, equal to 1 Joule per second
A) Kilogram (kg)
B) Joule (J)
C) Wattt (W)
D) Newton (N)
  • 4. the rate of doing work
A) Power
B) Force
C) Work
D) Momentum
  • 5. a common unit of power, equal to about 746 watts
A) Horsepower
B) Cockroachpower
C) Hippopotamuspower
D) Possumpower
  • 6. a device that changes a force
A) Input Force
B) Machine
C) Mechanical Advantage
D) Power
  • 7. the force exerted on a machine
A) Input force
B) Friction force
C) Work input
D) Input arm
  • 8. the distance through which the input force acts in a machine
A) Output distance
B) Wheel and axle
C) Fulcrum
D) Input distance
  • 9. the work done on a machine as the input force acts through the input distance
A) Work resistance
B) Work efficiency
C) Work output
D) Work input
  • 10. the force exerted by a machine
A) Output distance
B) Ouput work
C) Output energy
D) Output force
  • 11. the distance an output force acts through in a machine
A) Output distance
B) Wedge
C) Ouput Watt
D) Input distance
  • 12. the work done by a machine as the output force acts through the output distance
A) Work input
B) Work output
C) Power input
D) Power output
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