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Basic explanation of what forces are, focussing on the subatomic world and including electromagnetic, weak and strong force.
A force which can hold a nucleus together is strong indeed.
Particles that interact by the strong interaction are called hadrons. This general classification includes mesons and baryons but specifically excludes leptons, which do not interact by the strong ...
Relative scale models of an atom, descriptions of size and density of the nucleus and the strong force, with good links to other sites
A very basic introduction to forces.
A demonstration of multiple forces that acts on an object.
A summary page linking to many concepts relevant to forces.
In order to accomplish nuclear fusion, the particles involved must first overcome the electric repulsion to get close enough for the attractive nuclear strong force to take over to fuse the particles.
Kevlar is a material so strong it stops bullets! Find out why Kevlar is so strong. And learn how research facilities like the Advanced Light Source can reveal the details of Kevlar's structure.
String tension, weight of suspended sphere and beam and reaction force of the wall on the beam are shown in different colours and can be varied
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