machines

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Across
  1. 2. a wheel with an axle
  2. 6. a type of contact force
  3. 7. plane, slope of any track
  4. 8. a force exerted by magnets on other objects
Down
  1. 1. pushing and pulling of an object
  2. 3. has fulcrum, load and effort
  3. 4. attraction of nay body towards Earth
  4. 5. a simple machine shaped like a V