A liquid of density d is filled in a beaker of cross-section s to a height H and then a cylinder of mass m and cross-section A is made to float in it as shown in figure. Pressure at point B and C will be
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Above the cros section A, there is external presue due to atmosphere only. So pA= atmospheric pressure =p0
b. At point C the pressure will be due to atmosphere and also due to the weight of the cylinder ie.
pC=p0=mgs
c. If the system is in a state of free fall (as in a satellite) i.e, g→0, then pA=pC=PB=P0 [as weight =0]
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