First slide

Applications of SHM

Question

A simple pendulum executing S.H.M. is falling freely along with the support. Then

Moderate

A

Its periodic time decreases
B

Its periodic time increases
C

It does not oscillate at all
D

None of these

Solution

$T = 2 π \sqrt{\frac{l}{g}}$ ; for freely falling system effective $g = 0$
so $T = \infty$ or n = 0
It means that pendulum does not oscillate at all.

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