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 B the greatest and tank A the least. For each of the following statements, select the correct option from the pull-down menu. False The pressure exerted on the bottom of tank A is less than for the other two tanks. Greater than The force exerted by the water on the bottom of tank B is.... the force exerted by the water on the bottom of tank A. Equal The pressure at the bottom of tank C is.... the pressure at the bottom of tank A. True The water in tank B exerts an upward force on the sides of the tank. Equal The force due to the water on the bottom of tank A is.... the weight of the water in the tank. Pressure depends on the depth (times density times gravity). Force is pressure times area. Weight is density times volume times gravity.

Explanation / Answer

(1) False: The pressure exerted on the bottom of tank A is less than for the other two tanks.

(2) Greater than: The force exerted by the water on the bottom of tank B is .... the force exerted by the water on the bottom of tank A.

(3) Equal: The pressure at the bottom of tank B is .... the pressure at the bottom of tank A

(4) True: The water in tank A exerts a downward force on the sides of the tank.

(5) Less than: The force due to the water on the bottom of tank A is .... the weight of the water in the tank.

Therefore last one is wrong. it should be less than

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