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What is special about Teflon?
- Teflon is very resistant to other chemicals - Teflon is a good electrical insulator - Teflon is thermo-resistant - Teflon has a very low coefficient of friction - Teflon is a non-stick material used for coatings - Teflon is a thermoplastic material
What is teflon and what is so special about it?
Teflon is a plastic material which has two useful properties. It can stand the kind of heat generated by the cooking of food, without melting nor burning. Also Teflon is a sort of waxy material with a low sliding friction coefficient. These two properties make Teflon useful as a non-stick material for lining the inside of metal cooking pots.Teflon is also useful in machinery, where certain surfaces have to rub against each other (such as in bearings) because here the friction of rubbing can generate unwanted heat. However, the static friction of teflon surfaces is high, so that Teflon bearings need to have their motion started by relatively high forces before the advantage of low dynamic friction is felt.
How does teflon reduce friction?
it creates a easy layer between two objects causing them to have no friction. friction means two objects rubbing against each other. Teflon reduces the "rubbing" so to speak to a minimum by putting a slippery coat in between and in turn creating no friction.
What is the minimum rate of flow at which a stream of water can maintain the transportation of 1.0 centimeters in diameter?
You would have to know the weight or density of the pebbles, the coefficient of friction on the pebble's surface and the coefficient of friction on the ground.
What did Teflon replaced?
Teflon didn't actually replace anything. It was developed for the space program to reduce friction and then someone got the idea to use it on cooking items to prevent sticking.
What is special about Teflon?
- Teflon is very resistant to other chemicals - Teflon is a good electrical insulator - Teflon is thermo-resistant - Teflon has a very low coefficient of friction - Teflon is a non-stick material used for coatings - Teflon is a thermoplastic material
If the coefficient of static friction is 0.75 what is the coefficient of dynamic friction?
less than 0.75 and in exceptional cases equal to 0.75,eg.when the friction between two teflon surfaces is considered
Does light have friction?
All physical substances so far known have a coefficient of friction. In the cases of some substances (wet ice or teflon, for example) this may be quite low, but there are no truly frictionless surfaces.
What is the value of coefficient of friction of emery cloth?
Depends on the other surface. Coefficients of friction are generally tabulated for pairs of materials. Emery cloth on Teflon, for example, will have a lower coefficient of friction than emery cloth on rubber.
Why the coefficient of friction cannot be zero?
The coefficient of friction is an empirical measurement and has to be measured experimentally, and cannot be found through calculations. Rougher surfaces tend to have higher effective values. Most dry materials in combination have friction coefficient values between 0.3 and 0.6. Values outside this range are rarer, but Teflon, for example, can have a coefficient as low as 0.04. Therefore, a value of zero would mean no friction at all, an ELUSIVE property even magnetic levitation vehicles have drag.
What type of force does low coefficient belong to?
Friction has a low coefficient, usually less than 1.
What is teflon and what is so special about it?
Teflon is a plastic material which has two useful properties. It can stand the kind of heat generated by the cooking of food, without melting nor burning. Also Teflon is a sort of waxy material with a low sliding friction coefficient. These two properties make Teflon useful as a non-stick material for lining the inside of metal cooking pots.Teflon is also useful in machinery, where certain surfaces have to rub against each other (such as in bearings) because here the friction of rubbing can generate unwanted heat. However, the static friction of teflon surfaces is high, so that Teflon bearings need to have their motion started by relatively high forces before the advantage of low dynamic friction is felt.
An example of two surfaces that have a low coefficient of friction?
human joints are an excellent example. they have a static friction coefficient of .01 μs and a kinectic friction coefficient of .003 μkanother good example would be waxed wood on dry snow (as in a snowboard on a ski slope) this has a static friction coefficient of .04 μsHope this helped!
What is telfon?
TEFLON, is the most slippery substance known to man. Answer: Teflon is the trademark name for Polytetrafluoroethylene (PTFE) a fluorocarbon solid used as a coating for cooking pans and to reduce friction in moving parts. As bulk solid it is used in plastic parts and tubing. The notable features of teflon are its low coefficient of friction, its non reactive nature with a wide range of chemicals, and the fact that it is wet by neither water or oils.
What man made substance has the lowest common coefficient to friction?
Diamond-like Carbon has a coefficient of friction of as low as 0.05 on polished steel.
What sort of surface should a slide have so that you could go down it really fast?
There are experimental materials with lower coefficient of friction than teflon, but teflon is quite easy to get ahold off in various forms. The difference between teflon on teflon or teflon on steel is negligible, so I think your best bet is to find a steel slide and use teflon coated pants to ride it. Teflon can be bought on the roll as thick plastic sheets or as a spray on; I'm not sure either is suitable for this. Teflon can also be bought in the form of cloth, which sounds a whole lot easier to affix to a pair of existing pants, but I don't know if it would have the same low coefficient of friction.
What is Teflons coefficient of friction?
Very low - around 0.04
