Give reasons for the following:
a. Plastics are used in making toy cars, aircrafts etc.
b. Cookware is coated with Teflon.
c. Ropes and parachutes are made up of nylon.
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Answers
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Explanation:
1.Why is plastic used in cars, aircrafts and spacecrafts? - Quora. Plastics are mostly used in these areas because of its light weight. Therefore by making them lighter, we can reduce the manufacturing cost and fuel cost.
2.Telefon allow to dry the food without sticking the food to pan as it is non stick cookware. Teflon is used to make non stick pan as PTFE(polytetrafluoroethylene) coating is present which is a non stick chemical coating help in not sticking fat, oil like subtance in it.
3.Nylon ropes are usually strong enough. Even it is rough thus having friction and friction in between our palms fixes with that and we get a better grip for climbing. Thus nylon ropes are used as climbing ropes and even for other purposes.
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Poly Tetra fluoro ethylene is the substance from which Teflon is made.
Explanation:
- A. plastic is a polymer and as a result of this it is very light in nature and can be used for toy car and aircraft. On the other hand it is cheaper than other metals and hence it can be e used widely. In addition to this the substances can be recycled making it ideal for making toys.
- B. Teflon forms a resistive substance in which the food is prevented from sticking when it is hot. As a result of this cooking cooking is easy especially when trying. Mens footwear is often quoted with Teflon
- C. Roop and parachute are made up of nylon because in nylon has high tensile strength. In addition to this the have a significant amount of of friction coefficient. As a result of this friction is produced between the palm and the rope and it prevents it from sliding hence making it easy to pull a substance.
To know more about Teflon,
write down the properties of Teflon - Brainly.in
https://brainly.in/question/7848251
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