write the advantages and disadvantage s of friction
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friction help us in walking in applying brake and it also cause wear and Tear of object and loss of quality of any object
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disadvantages of friction:
1. friction increases the cost of motion and adds to consumption of energy.
2.friction generates heat.
3.friction causes wearing out of the rubbing surface.
1. friction increases the cost of motion and adds to consumption of energy.
2.friction generates heat.
3.friction causes wearing out of the rubbing surface.
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