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