Energy Vocab Review Physical Science

Front

Transfer of energy when a force is applied over a distance (measured in joules)

Back

work

Front

Device that eases work by increasing force, changing direction, or extending distance.

Back

machine

Front

Machine that performs work with one movement; examples: lever, pulley, wheel, axle, inclined plane, screw, wedge.

Back

simple machine

Front

A machine combining two or more simple machines.

Back

compound machine

Front

Ratio of output work to input work, as a percentage

Back

efficiency

Front

Output force to input force ratio of a machine

Back

mechanical advantage

Front

Ability to cause change, measured in joules.

Back

energy

Front

Region or set of regions with a defined boundary.

Back

system

Front

Energy of a moving object due to its motion, based on mass and speed.

Back

Kinetic energy

Front

Stored energy from object interactions

Back

Potential energy