Water is filled in a flask up to a height of 20 cm. The bottom of the flask is circular with radius 10 cm. If the atmospheric pressure is $1.013 \times 10^5$ Pa,find total force exerted on the bottom of flask. Take g = 10 ms-2 and density of water = 1000 kgm-3. P0 is atmospheric pressure here.
Now, here if I draw the FBD of the base of flask. Then, there are three pressures acting on the base. Atmospheric pressure acting from top and below because fluids exerts pressure in all directions. Then is the hpg pressure.
Total pressure on the bottom of flask is $P_0 -P_0 + hpg$. Is this correct if it asked total pressure acting on the base?