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Sexy's Physical sci
Ch. 12 vocabularyyyyy
Question | Answer |
---|---|
the transfer of energy to a body by the application of a force that causes the body to move in a 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 | mechanical advantage |
one of the six basic types of machines, which are the basis for all other forms of machines | simple machine |
a machine made of more than one simple machine | compound machine |
the energy that an object has because of the position, shape, or condition of the object | potential energy |
the energy of a moving object due to the objects motion | kinetic energy |
the amount of work an object can do because of the objects kinetic and potential energies | mechanical energy |
a quantity, usually expressed as a percentage, that measures the ratio of useful work output to work input | efficiency |