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