But to understand how things work in the real world, quantum mechanics must be combined with other elements of physics – principally ... the strong nuclear force, which explains the stability ...

Work is done when a force acts on a moving body. Work is done whenever a force moves something. Everyday examples of work include walking up stairs, lifting heavy objects, pulling a sledge and ...

Work close workEnergy transferred by a force. Work done = force × distance moved in the direction of the force. is done when energy is transferred from one store to another. Work is also done ...

The effects of the weak force were first discovered at the turn of the 20th century, in the place where it is most obviously at work ... part of the particle physics canon, and perhaps the ...

The plan covers all the essential topics Force, Work, Power and Energy; Light; Sound; Electricity and Magnetism; Heat; and ...