Question

Let the area of cross section at the end x of a u tube filled with a liquid be 0.05 m2 and that at the endy be 0.06 m2 .if a force of 120n is applied at the end y what will be the force experience en the endy

Answer 1

It is clear that the height of liquid column I in right limb is (h+2) cm and the height of liquid column II in left limb is 2.0 cm and of liquid column I is h cm.

∴2×ρ

2

×g+h×1.1×g=(2+h)×1.1×g

⇒2ρ

2

=2.2

⇒ρ

2

=1.

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