Newtons laws of motion
Briefly illustrate all the Newton s laws of motion?
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The Newton's laws of motion are as follows:
a) The body at rest will remain at rest and the body in motion will always remain in motion, until and unless acted on by the external force. (That is, Law of inertia)
b) The rate of change of momentum of a body is proportional to the resulting force acting on the body in similar direction as its motion. (That is, F = ma)
c) For all action there is an equal and opposite reaction.
Refraction law: For a wave-front travelling via a boundary among two media, the first with a refractive index of n1, and the other with one of n2, the angle of incidence theta is associated to the angle of refraction phi by:
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