Energy of a body because of its position (e.g., in a gravitational field)

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

Enables a system to do work.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

Energy of a body that is moving, disregarding any energy due to position.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

Work done per unit time.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

Force multplied by distance moved by the object upon which the force is acting.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

Work done on an object is equal to the change in kinetic energy of the object.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

A device that increases, decreases, or changes the direction of a force.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

Energy can not be created or destroyed by any physical entity.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

Useful work output divided by total energy (or work) input into a machine.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

Work output by a machine can not exceed the work input into the machine.

Work

Power

Energy

Potential energy

Kinetic energy

Work-energy theorem

Conservation of energy

Machine

Conservation of energy for machines

Efficiency

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