Honors Physical Science - Vocabulary 13

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10 Terms

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Work

The transfer of energy to an object by the application of a force that causes the object to move in the direction of the force

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Power

A quantity that measures the rate at which work is done or energy is transformed

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Mechanical Advantage

A quantity that expresses how much a machine multiplies force or distance

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Simple Machine

One of the six basic types of machines, which are the basis for all other forms of machines

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Compound Machine

A machine made of more than one simple machine

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Energy

The capacity to do work

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Potential Energy

The energy that an object has because of the position, shape, or condition of the object

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Kinetic Energy

The energy of an object due to the object’s motion

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Mechanical Energy

The amount of work an object can do because of the object’s kinetic and potential energies

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Efficiency

A quantity usually expressed as a percentage, that measures the ratio of useful work output to work input