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6 Written questions

6 Multiple choice questions

  1. two inclined planes placed back to back
  2. a slanted surface
  3. a post with threads wrapped around it
  4. a bar that pivots on a fixed point
  5. levers to pry off shingles, inclined plane to get shingles off the truck, a pulley to lift the shingles onto the roof
  6. inclined planes

5 True/False questions

  1. what job can you do with a pulleyraise a flag on a flagpole


  2. scientists example of worklifting a box off the floor


  3. worka post with threads wrapped around it


  4. pulleya wheel with a line around it


  5. fishing pole fulcrumyour hand


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