Chapter 19, Problem 29A

The sketch shows a reservoir that supplies water to a farm. It is made of wood and is reinforced with metal hoops.

a. Why is it elevated?

b. Why are the hoops closer together near the bottom part of the tank?

To determine

To explain: The reason for elevation of a reservoir.

Answer to Problem 29A

An elevated reservoir increases pressure and stores potential energy.

Explanation of Solution

Introduction:

With the increase in the depth, pressure increases.

A reservoir filled with water is kept at a height so that the water stored in it reserves potential energy and with the depth pressure in the water increases.

Conclusion:

Thus, an elevated water tank stores energy and with the depth, pressure in the water increases.

To determine

To explain: The reason for keeping the metal hoops close at the bottom.

Answer to Problem 29A

To reserve the pressure in the depth.

Explanation of Solution

Introduction:

With the increase in depth, pressure increases.

Water is stored in an elevated reservoir with wood cover and reinforced with metal hoops. With the decreasing depth, distance between metal hoops increases to provide more strength. Since more the depth of water will be more pressure it will store.

Conclusion:

At the bottom of the tank, more pressure, and potential energy will be stored. Thus, closeness in the metal hoops at the bottom of the tank provides more strength to the tank.