The normal force is the force that surfaces exert to prevent solid objects from passing through each other.

normal force

it is the force of attraction between objects by virtue of their masses

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Gravitational Force

It is a force directed to an object by a person or another object.

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Applied Force​

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any forces that opposes the relative motion between objects or system in contact

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​Frictional Force

It is the force that holds the protons and neutrons within the nucleus.

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Nuclear Force