Some liquid is filled in a cylindrical vessel of radius $R$. Let $F_1$ be the force applied by the liquid on the bottom of the cylinder. Now the same liquid is poured into a vessel of uniform square cross-section of side $R$. Let $F_2$ be the force applied by the liquid on the bottom of this new vessel. Then:
- A$F_1 = \pi F_2$
- B$F_1 = \frac{F_2}{\pi}$
- C$F_1 = \sqrt{\pi} F_2$
- D$F_1 = F_2$
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