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5 Written questions

5 Matching questions

  1. Compound Machine
  2. Watt
  3. Work
  4. Simple Machines don't change the amount of work
  5. Gravity
  1. a the force of the Earth's attraction
  2. b how power is measured (1 joule per second)
  3. c = F x D (the force that makes something move times the distance that it moves)
  4. d but simple machines make it easier to do work OR do work that you could not do without the simple machine
  5. e a machine that combines 2 or more simple machines to do one job

5 Multiple choice questions

  1. You have to exert the force for a longer period of time & for a longer distance
  2. the measure of work; 1 pound of work to move something 1 foot
  3. a machine with only one kind of movement
  4. the place where a lever pivots
  5. Compound: wedge, lever

5 True/False questions

  1. SCREWSimple: threaded bolt & nut, screw, spiral staircase


  2. MeterSimple: claw of hammer, bottle opener


  3. WEDGESimple: knife, axe head


  4. Newtonshow force is measured


  5. GainsYou use less force to move something with a simple machine than if you didn't have it


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