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what is viscosity

what is viscosity

Grade:11

8 Answers

younus jalil
35 Points
11 years ago

the spreading of any liquid when it hits and gets sticked to a hard surface is called viscosity

Khandavalli Satya Srikanth
38 Points
11 years ago

Viscosity  a measure of resistance of a liquid to shear forces.

chandu
46 Points
11 years ago

The viscosity of a fluid is a measure of its resistance to gradual deformation by
shear stress or tensile stress.

VAMSIKRISHNA NELLI
33 Points
11 years ago

Viscosity is the property of a liquid material,here in this liquid material contains two layers.There is a internal friction between the mollecules.As same as the relative motion between the particles of a liquid.

EXAMPLE:

             Compare the motion between while droping sample of some water and some amount of oil (or) honey on a wall .

            *Particle b motion is represented by using the motion with respect to the particle a motion

            *Motion (ba) = Motion(b) - Motion (a)

Udit Dashore
35 Points
10 years ago
The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. For liquids, it corresponds to the informal notion of "thickness". For example, honey has a higher viscosity than water
Shivam Chopra
45 Points
10 years ago
Viscosity is the frictional force between layers of a fluid.Unlike frictional force in solids, it is dependent on temperature & surface area of layers of fluids.
Sadu REDDI SAIKUMAR REDDY
38 Points
10 years ago
Laminar shear of fluid between two plates. Friction between the fluid and the moving boundaries causes the fluid to shear. The force required for this action is a measure of the fluid`s viscosity.
Raheema Javed
156 Points
9 years ago
Informally, viscosity is the quantity that describes a fluid's resistance to flow. Fluids resist the relative motion of immersed objects through them as well as to the motion of layers with differing velocities within them. Newton's equation, states that the resulting shear of a fluid is directly proportional to the force applied and inversely proportional to its viscosity. The similarity to Newton's second law of motion (ƒ=ma) should be apparent.
F̅ = η Δvx or ƒ = η dvx
⇕ ⇕
F̅ = m Δv/Δt or f = m dv/dt

The SI unit of viscosity is the pascal second [Pas], which has no special name.

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