31. A tube of
be of length L is filled completely with an
compressible liquid of mass M and closed at
th the ends. The tube is then rotated in a
orizontal plane about one of its ends with a
niform angular velocity 0. The force exerted by
hor
the liquid at the other end is
[AIPMT (Prelims)-2006]
MLO?
02
(2) ML²
2
(3) Mo?
(4) ML?W?
Answers
Answered by
3
Answer:
The force exerted by liquid at the other end is the centripetal force due to rotation. The case can be treated as rotation of the center of mass of the liquid at distance L/2 from the axis of rotation.
Hence force exerted by liquid at the end =Mω ^2 L/2 = 1/2 Mω ^2 L
Answered by
0
The force exerted by liquid at the other end is the centripetal force due to rotation. The case can be treated as rotation of the center of mass of the liquid at distance L/2 from the axis of rotation.
Hence force exerted by liquid at the end =Mω
2
(
2
L
) =
2
1
Mω
2
L
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