Conceptual - Water Pressure The three tanks above are filled with water to the s

Question

Conceptual - Water Pressure 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. 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. The pressure at the bottom of tank C is.... the pressure at the bottom of tank A. The pressure exerted on the bottom of tank A is equal to the pressure on the bottom of the other two tanks The water in tank A exerts an upward force on the sides of the tank. The force due to the water on the bottom of tank C is.. the weight of the water in the tank. Submit Answer Tries o/s

Explanation / Answer

(a) The force exerted by the water on the bottom of tank B is SMALLER THAN the force exerted by the water on the bottom of tank A.

(b) The pressure at the bottom of tank C is EQUAL TO the pressure at the bottom of tank A.

(c) The pressure exerted on the bottom of tank A is equal to the pressure on the bottom of other two tanks.   (TRUE)

Explanation : Pressure is the same because all the containers are filled to the same height with the same liquid.

(d) The water in tank A exerts an upward force on the sides of the tank.   (FALSE)

Explanation : water does not come in contact vertically with the tank.

(e) The force due to the water on the bottom of tank C is EQUAL TO the weight of the water in the tank.

Explanation : Even though the wall is exerting some force down on the water which is exerting some force up on the walls.

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