What is a Machine? Flashcards

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1
Q

work

A
  • force * distance
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2
Q

machine is…

A
  • a device that can make work more effective … easier
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3
Q

simple machines…

A
  • lever
  • inclined plane
  • wedge
  • wheel and axle
  • pulley
  • screw
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4
Q

lever

A
  • bar that pivots around a fulcrum
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5
Q

inclined plane

A
  • flat surface that slopes
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6
Q

wedge

A
  • 2 inclined planes back to back
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7
Q

wheel and axle

A
  • a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
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8
Q

pulley

A
  • a grooved cable with a cable wrapped around it
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9
Q

screw

A
  • inclined plane wrapped around a post
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