Chapter 7 Vocab Physics

Front

Product of force and distance moved by the force

Back

work

Front

Time rate of work

Back

power

Front

Property of a system that enables work.

Back

energy

Front

Energy from position or movement.

Back

mechanical energy

Front

Energy due to motion, quantified by its relationship.

Back

potential energy

Front

Energy due to motion, quantified by its relationship.

Back

kinetic energy

Front

Work done on an object = change in kinetic energy

Back

Work energy theorem

Front

Energy cannot be created or destroyed; it can only change forms.

Back

Law of Conservation of Energy

Front

A simple machine with a rigid rod pivoted at a fixed point (fulcrum)

Back

Lever

Front

Percentage of work input converted to useful output (useful energy output/total energy input).

Back

work energy theorem