Unit 2 Lesson 3 VAK

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Across
  1. 3. a pair of inclined planes that move
  2. 5. a simple machine that has grooved wheel that holds a rope or cable
  3. 7. efficiency comparison of a machines work output with the work input
  4. 8. a simple machine that has a bar that pivots at a fixed point
Down
  1. 1. an inclined plane that is wrapped in a spiral around a cylinder
  2. 2. plane a simple machine that is straight, slanted surface
  3. 3. and axel is a simple machine that is made of a wheel connected to a smaller cylindrical object, the axle
  4. 4. an apparatus using mechanical power
  5. 6. the fixed point