tyres of vechiles have grooves called theads . why ??? what will happen if the tyres were smooth
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tyres are not running on the road
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tyres having grooves be'cos,while applying the break the grooves make friction and it Will stop
the car.if grooves are not there then car can slip or accident may cause,that why there are grooves in tyre
the car.if grooves are not there then car can slip or accident may cause,that why there are grooves in tyre
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