Simple Machines

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Across
  1. 2. a simple machine made up of a wheel and a cord that helps you lift and lower things
  2. 4. the part of a lever that holds the load and receives effort force
  3. 5. a simple machine that uses an arm and a fulcrum to move an object
  4. 7. the force between objects that are touching each other
Down
  1. 1. the part of a lever that the arm turns on
  2. 3. an object that you move from one place to another with a simple machine
  3. 6. the amount of energy you have to use to move a load