FORCE ,WORK & ENERGY

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Across
  1. 3. : push or pull of an object
  2. 4. : a flat rod to lift something heavy
  3. 6. MACHINES : tools which make our work easier and faster
  4. 8. AND AXLE : a wheel with a rod attached to it
Down
  1. 1. : a simple machine used to hold things tightly together
  2. 2. PLANE : slope which makes our work easier
  3. 5. : the ability to do work
  4. 7. : a small wheel with a groove around its outer edge