physics

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Across
  1. 3. an inclined plane wrapped around a cylinder
  2. 6. a circuit contains more than one path for energy to flow through
  3. 8. force to get machines to work
  4. 11. to make work easier
  5. 13. made of two circular or cylinder objects fastened together
  6. 14. make or break connections in circuits
  7. 15. energy of motion
  8. 18. a circuit contains only one path for energy to flow
  9. 20. stored energy
Down
  1. 1. the force put on an object by a machine
  2. 2. bar that is free to move around a fixed point
  3. 4. machine made of more than one simple machine
  4. 5. measure the force achieved by using a tool
  5. 7. force put onto an object to cause it to move
  6. 9. a device that resists the flow of electrical current
  7. 10. made of a grooved wheel with a rope or cube wrapped around it
  8. 12. devise that is thick at one end and goes to a thin edge at the other side
  9. 16. sloped surface
  10. 17. amount of work something can do due to its potential and kinetic energy
  11. 19. allows electricity to flow through one point to another