The three tanks above are filled with water to the same depth. The tanks are of

Question

The three tanks above are filled with water to the same depth. The tanks are of equal height. Tank C has the middle surface area at the bottom, tank A the greatest and tank B the least. For each of the following statements, select the correct option from the pull-down menu. (True, False, Less than, Greater Than, Equal)

_______ The pressure exerted on the bottom of tank B is equal than for the other two tanks.

_______ The force exerted by the water on the bottom of tank B is .... the force exerted by the water on the bottom of tank C.

_______ The pressure at the bottom of tank A is .... the pressure at the bottom of tank C.

_______ The force due to the water on the bottom of tank C is .... the weight of the water in the tank.

_______ The water in tank A exerts a downward force on the sides of the tank.

Explanation / Answer

a) True: The pressure exerted on the bottom of tank B is greater than for the other two tanks.

b) The force exerted by the water on the bottom of tank B is greater than the force exerted by the water on the bottom of tank C.

c) Since the bottoms of the tanks have the same surface area, the same pressure will be exerted on bottom of the tank. So the pressure at the bottom of tank A is equal to the pressure at the bottom of tank C.

d) The force due to the water on the bottom of tank C is less than the weight of the water in the tank.

e) False : The water in the tank exerts a force in all sides of directions.

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