Energy and Work

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Across
  1. 2. The Imperial (English) unit for energy is the __.
  2. 4. The formula for power is the work done per unit of __.
  3. 6. The SI unit for power is the __, which is defined as joules per second; the Imperial (English) unit is foot pounds per second.
  4. 7. The SI unit for energy is the __.
  5. 8. The conservation of energy is also often called the First Law of __.
  6. 9. __ energy is energy of an object in motion.
  7. 10. While work can use the same units as energy, the SI unit more often used is the __, which derives from the formula for work (force x displacement).
  8. 11. The measure of how quickly a machine (or a person, object, animal, etc.) does work is a measure of __.
Down
  1. 1. The __ _ __ states that the total energy in a system can be neither created nor destroyed, but simply changes form.
  2. 2. Energy seemingly lost by a moving object is often transferred into heat energy through __. (Hint: Rub your hands together - what causes the heat?)
  3. 3. __ energy is energy stored in an object and could be chemical or gravitational (for instance).
  4. 5. __ is the ability of an object to do work.
  5. 12. __ is defined as force exerted in the direction of motion times the displacement of the object.