Table of Contents
- 1 Do solids have a high viscosity?
- 2 Why is solid not fluid?
- 3 Are solids just really viscous liquids?
- 4 What are some implications of having viscosity in a fluid?
- 5 Why can fluids flow and solids Cannot?
- 6 Which of the fluid has the highest viscosity?
- 7 What happens when a fluid has a high or low viscosity?
- 8 Why does motor oil have a high viscosity index?
Do solids have a high viscosity?
Viscosity is the property of a fluid which opposes the relative motion between two surfaces of the fluid that are moving at different velocities. In simple terms, viscosity means friction between the molecules of fluid. Most of the solids usually have rigid body. Hence viscosity is not possible in solids.
When a fluid is said to have a high viscosity that means that it?
Viscosity is the measure of resistance of a fluid to flow. A fluid that is highly viscous has a high resistance (like having more friction) and flows slower than a low-viscosity fluid. To think of viscosity in everyday terms, the easier a fluid moves, the lower the viscosity.
Why is solid not fluid?
The word fluid means- a substance that flows, changes shape, non-rigid and has no distinctive shape. As the solid materials do not do any of the mentioned above, they are not called fluids.
Do fluids with high viscosity?
In common vernacular, a liquid is said to be “viscous” if its viscosity is substantially greater than that of water, and is described as “mobile” if the viscosity is noticeably less than water….What Is Viscosity?
| Fluid | Viscosity (cPs) |
|---|---|
| Olive oil | 84.0 |
| Motor Oil SAE 50 | 540.0 |
| Glycerin | 1,490.0 |
| Maple Syrup | 3,200.0 |
Are solids just really viscous liquids?
A True solid is not viscous. Generally viscosity refers to a state where materials can flow. So we true solid are the substances which cannot flow so we may conclude that they are not viscous.
Why do liquids have a greater ability to flow than solids?
The particles are close together but not as close as in solids; they are still able to move around, which causes the liquid to flow. Liquids usually have a higher volume than their solid counterparts, except for certain molecules, such as H2O (water).
What are some implications of having viscosity in a fluid?
Significance of Viscosity: It describes the internal friction of a moving fluid. A fluidwith large viscosity resists motion because its molecular makeup gives it a lot of internal friction. A fluid with low viscosity flows easily because its molecular makeup results in very little friction when it is in motion.
Why is cooking oil more viscous than water?
Vegetable oils are more viscous because they are esters of glycerol, which holds three chains of fatty acids in a 3D branched formation that makes the sliding of molecules past each other rather more difficult than when water molecules do it.
Why can fluids flow and solids Cannot?
Because the particles don’t move, solids have a definite shape and volume, and can’t flow. Because the particles are already packed closely together, solids can’t easily be compressed. Because there are lots of particles in a small volume, solids are dense.
Why does fluid with high viscosity deform slowly?
Viscosity is a measure of the resistance of a fluid towards being deformed when under shear stress. Higher energy is required to deform a highly viscous liquid, while lower energy is needed when deforming a less viscous fluid. …
Which of the fluid has the highest viscosity?
The correct answer is Honey. Viscosity: S I unit: Pascal seconds (Pa·s) or kg·m−1·s−1. It is the property of a liquid representing the internal resistance of its different layers to motion.
Why can’t we say that viscosity is a property of solids?
Viscosity is defined as a measure of resistance to flow which arises dues to internal friction between layers of fluid as they slip past one another while liquid flows. Why can’t we say that viscosity is a property of solids as well? Except, it would then be said that solids have infinite viscosity.
What happens when a fluid has a high or low viscosity?
Fluids with low viscosity have a low resistance and shear easily and the molecules flow quickly; high viscosity fluids move sluggishly and resist deformation. Some liquids, like pitch, glass and peanut butter, have such high viscosity they behave like solids. Financial loophole lets you save extra for retirement.
Why do solids not possess fluidity?
Solids do not possess fluidity because the particles of solids (aka intermolecular molecules/ particles) are tightly packed and there’s not much spaces between the particles. The particles of solids are rigid which is unlikely to liquids and gases.
Why does motor oil have a high viscosity index?
The less change a motor oil has from high to low temperatures gives it a high Viscosity Index. Synthetic motor oils that are made from Group IV (4) PAO base stocks have Viscosity Indexes of more than 150 because they are manufactured to be a lubricant and don’t have the paraffin that causes the thickening as they cool.