activities in which friction is least needed
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1
Answer:
1) holding your phone
2) in writing
3) walking
4) sitting
5) standing, etc.
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5
There are various types of low coefficient of friction coatings such as PTFE, Molybdenum Disulfide, Tungsten Disulfide, etc. Although all these coatings are designed to reduce the friction between two surfaces, there are still many things that you may not know about them
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