Study Guide for Chapter  8 Test
1)	Define work
2)	Know the unit of work.
3)	Remember with kinetic energy work gets done and know the formula for kinetic energy
4)	Know the unit of power is watt, and know the formula for power
5)	Remember potential energy is energy of position, or location or stored energy
6)	Know the law of conservation of energy
7)	Know the definition of momentum
8)	Know that with machines, work input equals work out put
9)	Know the definition of mechanical advantage
10)	Know the definition of efficiency
11)	Review the question and fill in the blanks worksheet