A cubical water tank is completely filled with water of mas…

Physics Fluid Mechanics Mix MCQ (Single Correct)

A cubical water tank is completely filled with water of mass m = 1000kg. The force exerted by the water on the side wall of the tank, is:

1.062 x 10 5 N

1.62 × × 10 5 N

0.049 × × 10 5 N

None of these.

Text Solution

Verified by Experts

The correct answer is:

The cubical tank contains water of mass, M = 1000kg

⇒ ⇒ volume of water V =

= 1m 3 .

⇒ ⇒ Volume of the tank = V = 1m 3 .

⇒ ⇒ Side of the tank = b = 1m.

The pressure at A = .

The pressure at B =

⇒ ⇒ The pressure at =

= average pressure over the side wall

The force exerted on the side wall is

= = (1.013 + 0.049)

⇒ ⇒ × × 10 5 N

= 1.062 × × 10 5 N

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