few examples to show that friction is necessary
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Useful for production of fire.
Useful for walking in the ground and writing.
Useful for walking in the ground and writing.
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friction is very very important / necessary in our life because everything is going in our surrounding or with us is due to friction i.e. digestion, brakes system, swallowing of food, moving of a car, the movement / circulation of blood in our whole body, Fire also burn due to rubbing of two things(like stones) and when they are rubbing due to friction fire is produced. So without friction we are not able to do any thing.
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