CH3 Work and Simple Machines

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Across
  1. 5. the ratio of a machine's output force produced to the input force applied.
  2. 6. the transfer of energy to an object by a force that makes an object move in the direction of the force.
  3. 8. the ratio of a machine's output work to its input work.
  4. 10. a simple machine consisting of a ramp, or a flat, sloped surface.
  5. 11. a simple machine made up of a bar that pivots, or rotates, about a fixed point.
  6. 12. a simple machine consisting of a sloped surface that moves.
Down
  1. 1. a type of machine that does work using only one movement.
  2. 2. a simple machine consisting of an inclined plane wrapped around a cylinder.
  3. 3. the rate at which work is done.
  4. 4. the point about which a lever pivots.
  5. 7. a simple machine made up of an axle attached to the center of a wheel and both rotate together.
  6. 9. a simple machine made up of a grooved wheel with a rope or cable wrapped around it.