power & energy

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Across
  1. 3. the unit of power equal to 1 j of energy transferred in 1s
  2. 4. produce of the applied force and the distance through which the force is applied
  3. 8. the ratio of the output work to the input work
  4. 9. this is the amount of energy consumed per unit time
  5. 10. the ability of an object to produce a change in itself or its surroundings
  6. 11. product of force and a lever arm
  7. 12. stored energy or energy based on position
Down
  1. 1. states that energy is not created or destory it is conserved
  2. 2. a device that consists of two or more simple machines linked so that the resistance force of one machine becomes the effort force of the second machine
  3. 3. states that the work done on an object is equal to the objects change in kinetic energy
  4. 5. the energy resulting from motion of an object
  5. 6. a lever, pulley, wheel and axle,included plane, wedge, or screw
  6. 7. a defined group of objects