Energy and Simple Machines

Front

complex machine

Back

a machine that combines two or more simple machines

Front

efficiency

Back

output work divided by input work

Front

energy

Back

the ability to do work

Front

gravitational potential energy

Back

energy acquired by doing work against gravity

Front

ideal mechanical advantage

Back

the mechanical advantage of an idealized machine that loses no energy to friction

Front

inclined plane

Back

a simple machine consisting of a slope

Front

input work

Back

effort force multiplied by the distance over which it is applied

Front

joule

Back

the metric unit for work and energy; equal to 1 newton meter (N∙m)

Front

kinetic energy

Back

energy of motion

Front

law of conservation of energy

Back

states that energy is neither created nor destroyed