ï»¿ An ice piece floats in a glass of water. How does the level change when whole of ice melts? from Physics Mechanical Properties of Fluids Class 11 Manipur Board

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Mechanical Properties of Fluids

Physics Part II

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An ice piece floats in a glass of water. How does the level change when whole of ice melts?

When the whole ice melts, the water level will reamin unchanged. The floating ice piece will displace the volume of water equal to the weight of ice. When the ice melts the volume of water so formed is exactly equal to the volume of water displaced by ice. Hence, the water level will remain unchanged.
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What is fluid?

Any material that can flow is a fluid. Liquids and gases are examples of fluid.

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What is hydrodynamics?

Hydrodynamics is the branch of science that studies about the force exerted by the fluids or acting on the fluids.
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What is hydrostatics?

Hydrostatics is the branch of fluid mechanics that studies incompressible fluids at rest. The study of fluids at rest or objects placed at rest in fluids is hydrostatics.
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Do intermolecular or inter-atomic forces follow inverse square law?

No. Intermolecular and inter-atomic forces do not obey the inverse square law.
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Why solids have definite shape while liquids do not have definite shape?

Solids: Intermolecular forces are very strong and thermal agitations are not sufficiently strong to separate the molecules from their mean position. Solids are rigid and hence they have definite shapes.
Liquids: In liquids intermolecular forces are not sufficiently strong to hold the molecules at definite sites, as a result they move freely within the bulk of liquid, therefore, do not possess definite shapes. Liquids take the same shape as that of the container.
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