force

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Across
  1. 1. when a person applies force and the object moves then this is said to be done
  2. 7. petrol is an example for this type of energy
  3. 9. a simple machine with wheel and rope
  4. 10. a ramp is an example for
  5. 11. a type of simple machine with inclined plane wound around a rod.
Down
  1. 1. cars have two pairs of this type of simple machine
  2. 2. scissors is an example for this type of simple machine
  3. 3. knife is an example for this type of simple machine
  4. 4. a force that pulls all the objects towards the earth
  5. 5. force that helps to lift an object
  6. 6. force that slows down the motion of an object
  7. 8. to do work this is required