What forces do you know about and
what do they do?

There are 4 fundamental forces

1.Gravitational force :the force of mutual attraction between any two objects by virtue of their masses .

2.electromagnetic force :the force between charged particles.

3. strong nuclear force :force which binds protons and neutrons in the nucleus.

4..weak nuclear force: This forces only appear in certain nuclear processes such as the beta decay of nucleus ..

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f=ma newton's second law 7x8=56n

where’s the list ? the question is incomplete