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5 Written questions

5 Matching questions

  1. Loss
  2. Simple Machines don't change the amount of work
  3. Compound Machine
  4. PULLEY
  5. Work
  1. a a machine that combines 2 or more simple machines to do one job
  2. b when something moves in the direction that the force is acting
  3. c You have to exert the force for a longer period of time & for a longer distance
  4. d Simple: window blind rope, flagpole rope
  5. e but simple machines make it easier to do work OR do work that you could not do without the simple machine

5 Multiple choice questions

  1. the place where a lever pivots
  2. You use less force to move something with a simple machine than if you didn't have it
  3. the speed at which work is done
  4. Compound: wedge, lever, wheel & axle
  5. Compound: wheel & axle, pulley, lever

5 True/False questions

  1. Work= F x D (the force that makes something move times the distance that it moves)

          

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

          

  3. Axehow power is measured (1 joule per second)

          

  4. Motiona change of position

          

  5. NewtonsYou have to exert the force for a longer period of time & for a longer distance

          

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