Work and Energy

Energy associated with chemical substances.

The principle that energy cannot be created or destroyed.

the change in position of an object in a particular direction.

energy transferred into less useful stores, often thermal stores of the surroundings.

The spreading of energy into the surroundings, usually into internal energy stores.

the proportion of input energy transferred usefully.

Energy stored when an object is stretched or compressed.

energy stored when an elastic object is stretched or compressed.

energy transferred when charge moves through a potential difference.

Energy associated with the positions of electric charges.