Power

Power has different meanings depending on the context:
 Power (physics), how fast energy can be changed into work
 Electric power, electricity that comes from power plants or generators
 In sociology, power is the ability of a person to make another person do something. This might also be called influence or control.
 Statistical power, how likely the test is to say something is true when it is really true
 Exponentiation; in mathematics, "power" is multiplying a number by itself.
 A life force, called chi by the Chinese and kiai by the Japanese.
 In politics a great power is more powerful than other countries.
 Joules aren't a unit of power 

Related pages
 Power plant
 Suzerainty

Category:Basic English 850 words