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Mechanical Properties Of Fluids

Question
CBSEENPH11019095

What do you mean by simple harmonic motion? Write down the differential equation for simple harmonic motion.

Solution
To and fro motion of an object in which the acceleration of particle is always directly proportional to displacement, and directed towards mean position is a simple harmonic motion.
The differential equation of simple harmonic motion is given by, 
                        fraction numerator straight d squared straight y over denominator dt squared end fraction plus straight omega squared straight y equals 0