Simple Machines

123456789101112
Across
  1. 1. made of a rigid beam and a fulcrum
  2. 3. bar that is free to pivot about a fixed point
  3. 5. any device with little to no moving parts
  4. 7. a simple machine consisting of a grooved wheel turned by a cord
  5. 8. a simple machine having a sharp edge which is formed by putting two inclined planes together
  6. 11. Two or more simple machines that work together
Down
  1. 2. The output work of a machine compared to its input force
  2. 4. a wheel that carries a flexible rope, cord, cable, chain
  3. 5. simple machine consisting of a twisted inclined plane wrapped around a cylinder
  4. 6. a flat supporting surface tilted at an angle from the vertical direction
  5. 9. Transferred to an object while or when work is done
  6. 10. unit of power
  7. 12. the rate at which work is done