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A pendulum having a bob of mass $m$ is hanging in a ship sailing along the equator form east to west. When the strip is stationary with respect to water, the tension in the string is $T_0$. The difference between $T_0$ and earth attraction on the bob, is
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The correct answer is:
$m \omega^2 R$
Speed of ship due to rotation of the earth $v=\omega R$
The net force
$\begin{aligned} T_0 & =m g-m \omega^2 R \\ \Rightarrow \quad T_0-m g & =m \omega^2 R\end{aligned}$
The net force
$\begin{aligned} T_0 & =m g-m \omega^2 R \\ \Rightarrow \quad T_0-m g & =m \omega^2 R\end{aligned}$
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