Isaac Newton
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</p><p>Newton, a well known English physicist, philosopher, astronomer and an alchemist is famous for his study of gravitation and mechanics. His laws on mechanics are still put to use today. </p><p> Newton’s first law of motion states that an object at rest or in motion will continue in that state until and unless an external force acts on it.</p><p> The second law states that the force on an object is directly proportional to the acceleration produced on the object.</p><p> The third law states that every action on a body will have an equal and opposite reaction exerted the body on the source of force.</p><p> He discovered that a prism can decompose white light into seven constituent lights thus giving rise to the term VIBGYOR.</p><p> Law of cooling was an empirical formula given by him.</p><p> He designed a telescope to study celestial bodies.</p><p> He devised binomial theorem.</p><p> He discovered calculus.</p><p> Conservation of linear momentum and conservation of angular momentum were some of his other laws in mechanics.</p><p> He calculated the speed of sound.</p><p>