Friction is usually called a necessary …
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Posted by Shubhra ?? Jain 5 years, 8 months ago
- 3 answers
Yogita Ingle 5 years, 8 months ago
Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered as a evil. But almost all crucial tasks cannot be carried out without the presence of friction. Basic activities like walking and writing on a surface are possible due to friction. Hence it is considered as a necessary evil .
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Shubhra ?? Jain 5 years, 8 months ago
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