5scie_ch14

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Across
  1. 1. the number of threads in a given length of a screw.
  2. 3. A simple machine that has a central rod on which a wheel turns.
  3. 6. The amount of work done per unit of time.
  4. 8. A simple machine made of a grooved wheel and a strap.
  5. 9. A simple machine composed of one or two inclined planes.
  6. 11. A machine that combines two or more simple machines.
Down
  1. 2. A simple machine with a slanted surface.
  2. 3. A measure of power.
  3. 4. machine any of several devices with few or no moving parts that are used to modify motion and the magnitude of a force in order to perform work.
  4. 5. An inclined plane wrapped around a cylinder or cone.
  5. 7. A simple machine made of a bar, or arm, that is free to pivot about a fulcrum or fixed point
  6. 10. The process in which there is movement in the direction of the force.