force,work and energy

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Across
  1. 3. can both be a friend and a foe
  2. 5. is given out by the sun
Down
  1. 1. is the energy possesed by an object in motion
  2. 2. is the scientist who found buoyant force
  3. 4. is the force which holds us on the earths surface
  4. 5. types of simple machines are there