A container with square base of side a is filled up to a height H with a liquid. A hole is made at a depth h from the free surface of water. With what acceleration the container must be accelerated, so that the water does not come out?
Text Solution
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The container must be accelerated with acceleration g.
From Bernoulli's theorem
Solving above equation, we get
…(i)
If 
(free fall), 
So, from Equ. (i) 
Water will not come out.
When vessel is accelerated down with an accelerating g (free fall), then pseudo acceleration g will be vertically upwards and effective value of g is zero. Hence, water will not flow.
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