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5 Written questions

5 Matching questions

  1. Meter
  2. Loss
  3. Foot-pounds
  4. Gravity
  5. Force
  1. a a measure of distance
  2. b You have to exert the force for a longer period of time & for a longer distance
  3. c the force of the Earth's attraction
  4. d the measure of work; 1 pound of work to move something 1 foot
  5. e a push or pull

5 Multiple choice questions

  1. You use less force to move something with a simple machine than if you didn't have it
  2. Compound: wheel & axle, pulley, lever
  3. Simple: ramp
  4. Compound: wedge, lever, wheel & axle
  5. how power is measured (1 joule per second)

5 True/False questions

  1. Frictiona force that resists sliding motion


  2. Simple Machines do 3 things to the force we apply when working1)change direction of force; 2)make the force greater; 3)make the force less


  3. WHEEL & AXLEa machine with only one kind of movement


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


  5. PowerSimple: claw of hammer, bottle opener