The three tanks shown above are filled with water to an equal depth. All the tan

Question

The three tanks shown above are filled with water to an equal depth. All the tanks have an equal height. Tank A has the greatest surface area at the bottom, tank B has the middle and tank C has the least area at the bottom. (Select T-True, F-False, G-Greater than, L-Less than, E-Equal to. If the first is F the second L and the rest G, enter FLGGGG). A) The pressure at the bottom of tank A is... the pressure at the bottom of tank B B) The pressure exerted on the bottom of tank C is smaller than for the other tanks. C) The water in tank C exerts an upward component of force on the sides of the tank. D) The total force exerted by the water on the bottom of tank A is... the total force exerted by the water on the bottom of tank B E) The air pressure right at the top surface of water in tank A is.... the air pressure right at the top surface of water in tank C

Explanation / Answer

A) surface area of B is greater than A

but pressure is related to only depth as P= density *g*height

And height in both A and B is same so

pressure at bottom of Tank A is equal to pressure at bottom of Tank B

B ) False, pressure exerted on bottom of tank C is same as other tanks : reason same as above

C) False , as water will exert only downward force on tank

D) A has larger bottom surface area than B

and acc to F = p*A

so force by water on bottom of A will be larger than the total force exerted by water on bottom of tank B

E) equal because height of liquids are same in both tanks

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