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