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PS Ch. 12 Vocab.
Question | Answer |
---|---|
the transfer of energy to a body that causes the body to move in the direction of the force | work |
a quantity that measures the rate at which work is done or energy is transformed | power |
a quantity that measures how much a machine multiplies force or distance | mechanicaladv |
one of the 6 basic types of machines, which are the basis for all other forms of machines | simplemachine |
a machine made of more than 1 simple machine | compoundmachine |
the energy that an object has b/c of the position, shape, or condition of the object | potential energy |
the energy of a moving object due to the object's motion | kineticen |
the amount of work an object can do b/c of the object's kinetic and potential energies | mechanicalen |
a quantity, usually expressed as a percentage, that measures the ratio of useful work output to work input | efficiency |