FORCE AND FRICTION

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Across
  1. 3. the intensity of a force
  2. 6. a force exerted by the muscles of a human or animal body
  3. 8. the force caused by charged particles due to rubbing
  4. 9. two equal forces acting on an object
Down
  1. 1. the force resisting on a body when rolled
  2. 2. the force acting on every object on the earth's surface which pulls it to the centre
  3. 3. the force that magnets levy on magnetic materials and other magnets
  4. 4. the SI unit is 'kg'
  5. 5. the resistant force that prevents two surfaces from moving over e a ch other
  6. 7. a push or pull acting on an object