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5 Written questions

5 Matching questions

  2. Watt
  3. Foot-pounds
  4. Friction
  5. LEVER
  1. a the measure of work; 1 pound of work to move something 1 foot
  2. b a force that resists sliding motion
  3. c Simple: claw of hammer, bottle opener
  4. d Simple: ramp
  5. e how power is measured (1 joule per second)

5 Multiple choice questions

  1. the place where a lever pivots
  2. a push or pull
  3. You have to exert the force for a longer period of time & for a longer distance
  4. Simple: window blind rope, flagpole rope
  5. a change of position

5 True/False questions

  1. AxeCompound: wheel & axle, pulley, lever


  2. Compound Machinea machine that combines 2 or more simple machines to do one job


  3. PowerSimple: claw of hammer, bottle opener


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


  5. Newtonshow force is measured