Question

moson of
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armonic and hence derive
2.
Show that the motion of a simple pendulum is simple harmonic
equation for its time period. What is seconds pendulum?
Isimale Pendnum: A heavy metal point mass suspended belieb​

Answer 1

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Ideal simple pendulum is defined as a heavy point mass suspended from a rigid support by a weightless and inextensible string and set oscillating under gravity through a small angle in a vertical plane.

Let a simple pendulum of length L suspended from a rigid support O. Let it is displaced by a small angle θ in a vertical plane and released. Resolving mg into horizontal and vertical components at point B as mgcosθ and mgsinθ respectively.