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ph science

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