GCSE Physics

Energy & Work

"Energy enables physical work to be done"

What does this mean? It means that energy is a property a body has that helps it move against a force.

Physical work is done when something moves against a force. This needs a transfer of energy to take place.

e.g. work is done when we lift an object from a table onto a shelf. We are lifting the weight (a force) upwards.

In this case energy is transfered from our arm to the object.

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