FUNDAMENTAL FORCES IN NATURE We all have an intuitive notion of force. In our experience, force is needed to push, carry or throw objects, deform or break them. We also experience the impact of for
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Gravitational Force The gravitational force is the force of mutual attraction between any two objects by virtue of their masses.It is a universal force. Every object experiences this force due to e
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Electromagnetic Force Electromagnetic force is the force between charged particles. In the simpler case when charges are at rest, the force is given by Coulomb’s law : attractive for unlike c
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Strong Nuclear Force The strong nuclear force binds protons and neutrons in a nucleus. It is evident that without some attractive force,a nucleus will be unstable due to the electric repulsion betw
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Towards Unification of Forces We remarked in section 1.1 that unification is a basic quest in physics.Great advances in physics often amount to unification of different theories and domains.Ne
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