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Law of conservation of energy

Simple machine

Mechanical energy

Energy

Mechanical advantage

Kinetic energy

Efficiency

Potential energy

Compound machine

Gravitational potential energy

Power

Work

energy that is due to the gravitational forces between objects

energy due to motion

the sum of the kinetic energy and potential energy of the objects in a system

is the ratio of output work to input work

the rate at which energy is converted

states that energy cannot be created or destroyed

the ability to cause change

a combination of two or more simple machines

energy that is stored due to the interactions between objects

the ratio of the output force to input force

force applied through a distance

a machine that does work with only one movement of the machine