A mass $ \mathrm{m} $ is suspended from a massless pulley, which it self is suspended by a massless string and a spring as shown in figure. The force constant of spring is $ \mathrm{K} $. What will be the time period of oscillation of $ \mathrm{m} $ :

Question

A mass $ \mathrm{m} $ is suspended from a massless pulley, which it self is suspended by a massless string and a spring as shown in figure. The force constant of spring is $ \mathrm{K} $. What will be the time period of oscillation of $ \mathrm{m} $ :, $ 2 \pi \sqrt{\frac{m}{2 K}} $, $ 2 \pi \sqrt{\frac{m}{K}} $, $ \pi \sqrt{\frac{m}{K}} $, $ \pi \sqrt{\frac{m}{2 K}} $

MARKS App · Accepted Answer

F = 4 K x = m a T = 2 π m 4 K = π m K .

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