A tube of length $L$ is filled completely with an incompressible liquid of mass $M$ and closed at both ends. The tube is then rotated in a horizontal plane about one of its end with a uniform angular velocity $\omega $ . Then the force exerted by the liquid at this other end is
A tube of length $L$ is filled completely with an incompressible liquid of mass $M$ and closed at both ends. The tube is then rotated in a horizontal plane about one of its end with a uniform angular velocity $\omega $ . Then the force exerted by the liquid at this other end is
- A
$M{\omega ^2}L$
- B
$\frac{1}{2}M{\omega ^2}L$
- C
$\frac{1}{4}M{\omega ^2}L$
- D
$2M{\omega ^2}L$
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