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