Charles-Augustin de Coulomb is best known for what now is known as the Coulomb’s law, which explains the electrostatic attraction and repulsion. He formulated this law to study the law of electrostatic repulsion put forward by the English scientist Joseph Priestley. He also extensively worked on the friction of machinery, the elasticity of metal and silk fibres. The SI unit of electric charge – Coulomb, is named after him.
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