a.
To find: the fluid force working against each end of the tank.
a.
Answer to Problem 25E
Total fluid force against each end of the tank is
Explanation of Solution
Given information:
Dimension of the base is
Height of the tank is
Formula used:
The work to move an object from
Total force on an end = pressure
Calculation:
Force on an end =
As, it is filled to within 2 inches at the top.
Hence, depth of the water =
The total force is
b.
To find: if the tank is sealed and stood on end so that one of the square ends is the base then what happens to the fluid forces on the rectangular sides.
b.
Answer to Problem 25E
The fluid force is doubled under the given condition.
Explanation of Solution
Given information:
Dimension of the base is
Height of the tank is
Formula used:
The work to move an object from
Calculation:
Sides are twice as length as the ends. Therefore, the force is doubled to be
The depth is doubled to
The force on side is,
As,
Hence the force is doubled.
Chapter 7 Solutions
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