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5 Written questions

5 Matching questions

  1. wedge
  2. Why would someone go up a curved path rather than a straight steep path?
  3. machine
  4. fixed pulley
  5. How is friction helpful?
  1. a It can prevent slipping on a smooth surface, used to brake(stop), a bike, and can be used to start a fire.
  2. b simple machine that is two inclined planes joined together to form a sharp edge
  3. c It would take more effort and energy to go up a steep path than to walk side to side on a curved path.
  4. d anything that makes work easier
  5. e is a pulley that stays in place as the load moves

5 Multiple choice questions

  1. inclined plane, lever, wedge, screw, pulley, & wheel and axle
  2. a simple machine, a winding inclined plane
  3. They are easier to hold.
  4. 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.
  5. a force caused when one object rubs against another

5 True/False questions

  1. fulcruma simple machine, a winding inclined plane

          

  2. inclined planeis a pulley that stays in place as the load moves

          

  3. loadthe object being lifted or moved by a simple machine(what you need to lift)

          

  4. movable pulleyis a pulley that stays in place as the load moves

          

  5. workis force and motion, work only gets done when a force is used to move an object