Question

A tube of length L is filled completely with an incompressible liquid of mass M and close at both the ends.The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity V. The force exerted by the liquid at the other end is?

Answer 1

Answer on Question 48598, Physics, Mechanics — Kinematics — Dynamics A tube of length L is filled completely with an incompressible liquid of mass M and close at both the ends.The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity $\nu$. The force exerted by the liquid at the other end is?

Solution

Rotating causes centrifugal acceleration

$a=\nu^{2}L$

Force exerted is equal to mass of liquid multiplied by this acceleration:

$F=a\cdot M=\nu^{2}LM$

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