Theory of Machine
The frequency of oscillation of a compound pendulum is

2π. √[gh/(kG² + h²)]
(1/2π). √[(kG² + h²)/gh]
(1/2π). √[gh/(kG² + h²)]
2π. √[(kG² + h²)/gh]

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Theory of Machine
The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is

(2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)]
(2/3). μ W cosecα (r₁ + r₂)
(1/2). μ W cosecα (r₁ + r₂)
(1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)]

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