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ps ch 12 vocab

QuestionAnswer
work the transfer of energy to a body by the application of a face that causes the body to move in the direction of the force
power a quantity that measures the rate at which work is done or energy is transformed
mechanical advantage a quantity that measures how much a machine multipies force or distance
simple machine one of the six basic types of machines which are the basis for all other forms of machines
compound machine a machine made of more than one simple machine
potential energy the energy that an object has because of the position,shape , or condition of the object
kinetic energy the energy of a moving object due to the objects motion
mechanical energy the amount of work an object can do because of the objects kinetic and potential energies
efficiency quantity usually expressed as a percentage that measures the ration of useful work output to work input
Created by: jasonwalker12
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