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Chapter 12 Vocab.
Science
Term | Definition |
---|---|
Work | The transfer of energy to a body by the application of a force that causes the body to move in the direction of the force. |
Power | A quantity that measures the rate at which work is done or energy is transformed. |
Mechanical Advantage | A quantity that measures how much a multiplies force or distance. |
Simple Machine | One of the six basic types of machines, which are the basics for all other forms of machines. |
Compound Machine | A machine made of more than one simple machine. |
Potential Energy | The energy that an object has because of the position, shape, or condition of the object. |
Kinetic Energy | The energy of a moving object due to the object's force. |
Mechanical Energy | The amount of work an object can do because of the object's kinetic and potential energies. |
Efficiency | A quantity, usually expressed as a percentage, that measures the ratio of useful work output to work input. |