Question

Consider three drinking glasses. All three have the same base area, and all three are filled to the same depth with water. Glass A is cylindrical. Glass B is wider at the top than at the bottom, so it holds more water than glass A. Glass C is narrower at the top than the bottom, so it holds less water than glass A. Which glass has the greatest liquid pressure at the bottom?

Answer 1

Answer:

All the three glasses have equal pressure at the bottom.

Explanation:

It is given that the three glasses have the same base area and is filled with water to the same level in the glass. All the glasses are of different shape but is filled to the same level with water.

We know that pressure of a point at a depth below the water surface depends upon the height of the water surface, the density of the water and  acceleration due to gravity. Since depth for all the three glasses are same and the acceleration due to gravity and density of water is constant, all three glasses will have equal amount of pressure at the bottom of the surface of the glass.