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5 September, 02:38

Consider three drinking glasses. All three have the same area base, 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, and so holds more water than A. Glass C is narrower at the top than at the bottom, and so holds less water than A. In which glass is the pressure on the base greatest liquid pressure at the bottom? a. Glass A

b. Glass B

c. Glass C

d. All three have equal non-zero pressure at the bottom.

e. All three have zero pressure at the bottom.

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  1. 5 September, 02:54
    0
    d

    Explanation:

    Pressure of the fluid in any container is a function of density of the fluid in the container, and depth of the fluid.

    The static pressure of fluid in a container with depth h is given by:

    P = p * g * h

    Where p : density of fluid

    g: gravitational constant 9.81 m/s^2

    h : depth of the fluid

    Since, all the glasses filled have same Area base, same depth and same density of fluid and g is constant. The pressure at the bottom of each drinking glass is equal for all cases. As supported by the relationship given above.
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