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PS: CH. 12

Definitions

QuestionAnswer
Transfer of energy to a body by the application of a force 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. Mechanical advantage
One of the six basic types of machines, which are the basis for all the 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
Created by: magaenhumphrey
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