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5 Written questions

5 Matching questions

  2. Watt
  3. Simple Machines don't change the amount of work
  4. Foot-pounds
  5. Meter
  1. a but simple machines make it easier to do work OR do work that you could not do without the simple machine
  2. b how power is measured (1 joule per second)
  3. c a measure of distance
  4. d Simple: door knob, windmill, screwdriver
  5. e the measure of work; 1 pound of work to move something 1 foot

5 Multiple choice questions

  1. a push or pull
  2. Simple: claw of hammer, bottle opener
  3. = F x D (the force that makes something move times the distance that it moves)
  4. Simple: knife, axe head
  5. Simple: ramp

5 True/False questions

  1. Motiona change of position


  2. LossYou have to exert the force for a longer period of time & for a longer distance


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


  4. AxeCompound: wheel & axle, pulley, lever


  5. Can OpenerCompound: wedge, lever, wheel & axle


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