Physics Concepts

Front

Transfer of energy when a force is applied over a distance.

Back

Work

Front

Machine that does work with only one movement; examples include lever, pulley, wheel and axle, inclined plane, screw, and wedge.

Back

Simple Machine

Front

Machine that is a combination of two or more simple machines.

Back

Compound Machine

Front

Ratio of the output work done by the machine to the input work done on the machine, expressed as a percentage.

Back

Efficiency

Front

Ratio of the output force exerted by a machine to the input force applied to the machine.

Back

Mechanical Advantage

Front

The ability to cause change.

Back

Energy

Front

Energy a moving object has because of its motion; determined by the mass and speed of the object.

Back

Kinetic Energy

Front

Energy that is stored due to the interactions between objects.

Back

Potential Energy

Front

Energy that is stored by compressing, stretching, or bending an object.

Back

Elastic Potential Energy

Front

Energy that is due to chemical bonds.

Back

Chemical Potential Energy