Forces, Work, Energy

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Across
  1. 2. Some energy sources can contribute to air ______.
  2. 4. ______ potential energy is the energy stored in objects due to its position,
  3. 7. The total energy in a closed system is ______.
  4. 8. Conservation of energy states that energy cannot be created or ______.
  5. 9. Pressure depends on force and ______ of contact.
Down
  1. 1. Kinetic energy is the energy of an object due to its ______.
  2. 3. For work to be done, the object must move in the same ______ as the force.
  3. 5. Biomass is a ______ energy source.
  4. 6. ______ is the ability to do work.