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5 Written questions

5 Matching questions

  1. Simple Machine
  2. Can Opener
  3. Simple Machines don't change the amount of work
  4. Compound Machine
  5. Work
  1. a Compound: wedge, lever, wheel & axle
  2. b a machine that combines 2 or more simple machines to do one job
  3. c but simple machines make it easier to do work OR do work that you could not do without the simple machine
  4. d a machine with only one kind of movement
  5. e = F x D (the force that makes something move times the distance that it moves)

5 Multiple choice questions

  1. Simple: knife, axe head
  2. Simple: ramp
  3. Simple: door knob, windmill, screwdriver
  4. how power is measured (1 joule per second)
  5. the force of the Earth's attraction

5 True/False questions

  1. Forcewhen something moves in the direction that the force is acting

          

  2. Losswhen something moves in the direction that the force is acting

          

  3. PULLEYSimple: window blind rope, flagpole rope

          

  4. Fulcrumthe place where a lever pivots

          

  5. SCREWSimple: claw of hammer, bottle opener