Energy Vocab Review

Front

Product of force and distance moved in direction of force; measured in joules.

Back

work

Front

SI unit of work & energy

Back

joule

Front

Rate of work done or energy transformed.

Back

power

Front

SI unit of power

Back

watt

Front

Property of an object/system enabling work; measured in joules.

Back

energy

Front

Ratio of output to input force for a machine

Back

mechanical advantage

Front

Ratio of useful energy output to total energy input in a machine.

Back

efficiency

Front

Energy of motion, half mass times speed squared.

Back

kinetic energy

Front

The theorem stating that work done results in energy changes.

Back

work-energy theorem

Front

Device for changing force direction or magnitude.

Back

machine