ï»¿ Where the molecules possess more energy-in the bulk or in surface film? from Physics Mechanical Properties of Fluids Class 11 Manipur Board

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Where the molecules possess more energy-in the bulk or in surface film?

Molecules of surface film have additional potential energy due to net inward intermolecular forces. Therefore, the molecules of surface film posess more energy than on the bulk.
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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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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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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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What is fluid?

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

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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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