JEE Main20244 Apr 2024Evening ShiftPhysicsMechanical Properties of FluidsActual
Mercury is filled in a tube of radius 2 ~cm up to a height of 30 ~cm . The force exerted by mercury on the bottom of the tube is _____ N. (Given, atmospheric pressure =10^5 Nm ⁻² , density of mercury =1.36 10^4 ~kg ~m ⁻ . ^3, ~g =10 ~m ~s ⁻², = 22 7 )
Correct answer
0
Step-by-step solution
aligned & F = P ₀ ~A + _ m ghA & =10^5 22 7 (2 10⁻² )^2 & +1.36 10^4 10 (30 10⁻² ) ( 22 7 (2 10⁻² )^2 ) & F =51.29+125.71=177 ~N aligned