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CBSE - IX - Physics - Force and Laws of Motion

what is the importance of newton's laws

Asked by 7th August 2012, 5:08 PM
Answered by Expert


Newton's laws of motion, together with his Law of Universal Gravitation and the mathematical techniques of calculus, provided for the first time a unified quantitative explanation for a wide range of physical phenomena such as: the motion of spinning bodies, motion of bodies in fluids; projectiles; motion on an inclined plane; motion of a pendulum; the tides; the orbits of the Moon and the planets. The law of conservation of momentum, which Newton derived as a corollary of his second and third laws, was the first conservation law to be discovered.

Newton's laws were verified by experiment and observation for over 200 years, until 1916, when they were superseded by Einstein's theory of relativity. Newton's laws still provide a completely adequate approximation for the behaviour of objects in "everyday" situations.

Answered by Expert 8th August 2012, 10:55 AM

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