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5 Written questions

5 Matching questions

  1. fixed pulley
  2. What two things do you need to do work?
  3. How is friction helpful?
  4. lever
  5. parts of a lever
  1. a force and motion
  2. b It can prevent slipping on a smooth surface, used to brake(stop), a bike, and can be used to start a fire.
  3. c is a pulley that stays in place as the load moves
  4. d a simple machine, a bar resting on a point
  5. e load, lever, force, fulcrum

5 Multiple choice questions

  1. a force caused when one object rubs against another
  2. simple machine that is two inclined planes joined together to form a sharp edge
  3. It would take more effort and energy to go up a steep path than to walk side to side on a curved path.
  4. the turning point of the lever
  5. a tool used to measure force or weight

5 True/False questions

  1. wheel and axlesimple machine that is two inclined planes joined together to form a sharp edge

          

  2. screwa simple machine, a bar resting on a point

          

  3. How is friction problematic?Too much friction makes heavy objects hard to move. Friction can cause things to wear away. For example, the soles of your shoes can wear away if you run/walk alot.

          

  4. Why are things with large handles easier to use?They are easier to hold.

          

  5. name the six types of simple machines and their usesThey are easier to hold.