Fluid Mechanics · Physics · COMEDK

A block of wood floats in water with $$(4 / 5)$$ th of its volume submerged. If the same block just floats in a liquid, the density of the liquid is (...

A balloon with mass $m$ is descending down with an acceleration $$a$$ (where, $$a ...

The speeds of air-flow on the upper and lower surfaces of a wing of an aeroplane are $$v_1$$ and $$v_2$$, respectively. If $$A$$ is the cross-sectiona...

Water from a tap of cross-sectional area $$1 \mathrm{~cm}^2$$, falls vertically downwards at $$2 \mathrm{~m} / \mathrm{s}$$. The cross sectional area ...

A raft of density 600 g/m$$^3$$ and mass 120 kg floats in water. How much weight can be put on the raft to make it just sink?

Water is poured in a tank through a cylindrical tube of area of cross-section A and ejecting water at a constant speed 4 m/s. the tank contains a hole...

According to Pascal's law, pressure in a fluid at rest is the same at all points, if

The surface tension of a liquid at its boiling point

A ball floats on the surface of water in a container exposed to the atmosphere. When the container is covered and the air is partially removed, then t...

A frame made of metallic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 50%, the...

A fluid is in streamline flow across a horizontal pipe of variable area of cross-section. For this which of the following statements is correct?...