What is viscosity? What is the cause of it in liquids and in gases? Do liquids or gases have higher dynamic viscosities?

Q: What is surface tension?

A: Surface tension is the attractive force exerted by the molecules below the surface of a liquid,…

Q: Why do liquids diffuse slower than gases?and  Why ice floats on water?

A: Fluid diffusion is slower because particles in a fluid travel at a slower rate.

Q: List the application of pressure (that we can found) in our day to day life and then explain them

A: Pressure is the force applied per unit area If area decreases the pressure increases and if area…

Q: Critical velocity refers to the velocity at which the laminar flow changes to O Viscosity O…

A: Critical velocity is a velocity at which laminar flow changes to turbulent flow.

Q: How does water pressure 1 m beneath the surface of a lake compare with water pressure 1 m beneath…

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Q: How does surface tension change with temperature?

A: Surface tension is the property of the surface which is due to intermolecular attraction between the…

Q: *1.1 PQ<For each variable below, list three common units. a. Volume flow rate (Q), mass flow rate…

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Q: What is VISCOSITY AND TURBULENCE?

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Q: Why does water have high surface tension but low viscosity ?

A: Surface tension (T) is the property of a liquid to keep its volume (V) minimum.  The viscosity of…

Q: What are meant by density, viscosity and surface tension of liquids ?

A: Density, Viscosity and Surface tension of liquids

Q: In the figure below, what is the volume flow rate at the opening in Point 2 whose diameter is 3.0…

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Q: certain submarine can withstand 150 atmospheres of pressure before being crushed. How deep into the…

A: Given that pressure P = 150atm  1atm=101325Pa We know that  Absolute pressure = atmospheric pressure…

Q: What is the difference between flow and velocity of flow?

A: Fluid mechanics is the branch of physics concerned with the mechanics of fluids. Fluid Flow…

Q: What relation exists between cross sectional area and velocity of fluid? Velocity and pressure?

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Q: How Are Gases Liquids And Solids Different From Other?

A: How Are Gases Liquids And Solids Different From Other?

Q: What is upthrust or buoyancy?

A: Buoyancy is the upward force exerted by fluid on the object when it is put in or submerged in the…

Q: What is pressure?

A: Pressure is defined as the physical force exerted on an object. The force applied is perpendicular…

Q: What common liquid covers more than two-thirds of our planet, makes up 60% of our bodies, and…

A: Water is the liquid that covers more than two-thirds of Earth. Water makes up 60% of human bodies.

Q: At a depth of 1000 m in an ocean. Find the force acting on the window of area 20 cm × 20 cm of a…

A: The pressure on the window of the submarine is the difference between the pressure outside the…

Q: A reservoir is filled with a liquid of density 2000kgm-³ calculate the depth at which the pressure…

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Q: What is the pressure change in water going from a 3.4- cm-diameter pipe to a 2.1- cm-diameter pipe…

A: The continuity equation: A1v1=A2v2 v1 is the velocity of the fluid at cross-section A1. v2 is the…

Q: atmospheric pressure depends on what ?

A: The pressure due to the fluid is given by  P = h d g  where, h is the height of the fluid, g is the…

Q: Critical velocity refers to the velocity at which the laminar flow changes to O Viscosity O…

A: Critical velocity refers to velocity at which the laminar flow changes to turbulent flow.

Q: Determine the minimum area of a sheet of ice that is 0.60 meter thick if it is to support a 300-kg…

A: Write the given values with suitable variables. t=0.6 mm=300 kgρi=920 kg/m3ρw=1020 kg/m3 Here, t, m,…

Q: A metal plate of area 2.5x10^-4 m^2 is placed on a 0.25×10^-3 m thick layer of castor oil. If a…

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Q: - What volume of air at atmospheric pressure of 1.01x 10$ N/ m² is needed to fill a 14.2-liter scuba…

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Q: Which of the following represents a sketch of terminal speed vs. viscosity of the liquid for…

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Q: Why is it difficult to swim under water in the Great Salt Lake?

A: The great salt lake is located in the northern part of the USA of Utah. It is the largest salt water…

Q: You dive 5m down in the ocean. What is the absolute pressure

A: Given  H = 5m  g = 9.81 m/s2 Density = 997 kg /m3

Q: What is the mass density of water? What is the weight density of water?

A: The mass density of water is 997kg/m3.

Q: How does the density of air in a deep mine compare with the air density at Earth’s surface?

A: As we go down a mine, pressure increases with depth. This is because of the increase in weight of…

Q: A metal plate of area 2.5×10^-4m2 is placed on a 0.25x10^-3m thick layer of castor oil. If a force…

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Q: How does the size of the buoyant force compare to the size of gravitational force?

A: Question : How does the size of the buoyant force compare to the size of gravitational force?…

Q: An aircraft is flying at a certain altitude where the pressure is 75000Pa. Calculate for the…

A: Pressure: Pressure is nothing but the force per unit surface area. Now, for a liquid column of…

Q: - What volume of air at atmospheric pressure of 1.01x 10$ N/ m2 is needed to fill a 14.2-liter scuba…

A: Given  P1 = 1.01*10^(5) N/m²  P2 = 1.45*10^7 N/m²  V2 = 14.2 Lt  V1=??  Now ...V = M/p

Q: How does pressure relate to force?

A: The pressure (P) is the measure of the force (F) applied to the given area (A). Mathematically, Its…

Q: From greatest to lowest, rank the sections according to the flow speed through it. 1 1 1 1:21 Flow

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