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Class 11 NEET Physics System of Particles and Rotational Motion
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© examsnet.com
Question : 69
Total: 109
A tube of length
L
is filled completely with an incompressible liquid of mass
M
and closed at both the ends. The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity
ω
. The force exerted by the liquid at the other end is
(2006)
M
L
2
ω
2
2
M
L
ω
2
2
M
L
2
ω
2
M
L
ω
2
Validate
Solution:
The centre of the tube will be at length
L
2
.
So radius
r
=
L
2
The force exerted by the liquid at the other end
=
centrifugal force
Centrifugal force
=
M
r
ω
2
=
M
(
L
2
)
ω
2
=
M
L
ω
2
2
© examsnet.com
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