work science crossword

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Across
  1. 3. the best subject/i didn't have any else to say so I put this
  2. 4. a simple machine that uses ropes and wheels to change the direction of or make force easier
  3. 7. a simple machine that combines a wheel and a axel?
  4. 8. a device that can change the input and output force
  5. 10. a simple machine that has a fulcrum fe and fr
Down
  1. 1. distance times force
  2. 2. is when the input force is less then the output force
  3. 5. a simple machine that helps change the direction of the force to one point by combining two solpes
  4. 6. a simple machine that increases the distance of a surface by changing the angle so that the force/ effort is easier
  5. 9. a simple machine that holds items in place by tiwsiting itself in side a grooved hole