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Mechanical Properties Of Fluids

Question

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Why a piece of camphor placed on the surface of water begins to dance?

Solution

When impurities are dissolved in water, surface tension of water decreases. Hence, when camphor is dissolved in water, surface tension will decrease. Camphor being non-symmetrical, different amount of camphor is dissolved from different sides. Therefore, Surface tension will be different on different sides. Hence, unbalanced force sets the piece into motion and the piece of camphor begins to dance.

Some More Questions From Mechanical Properties of Fluids Chapter

Why the fluids do not have any modulus of rigidity?

Which phase of fluid is more compressible?

What is an ideal liquid?

Do liquids exert pressure?

Define pressure.

What is the direction of pressure?

What is the direction in which pressure exerts force on the walls of a container?

What is the SI unit of pressure?

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