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Gravity is the force of attraction whcih exists between all matter in the universe. Its strength is inversely proportional to the square of the distance between the two parti â¦ cles of matter.
There are four interactions known to science, they are called gravity, electromagnetism, weak and strong. These interactions often manifest themselves as forces between particles. The gravitational interaction, for example, is responsible for the attractive force between masses. The electromagnetic interaction is responsible for the attractive or repulsive forces between charges. Interactions are referred to as forces when an amount of strength can be quoted as a measure of the interaction. In fact force is just a special case of an interaction.