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How wet roads give grip the slip

作者:巴眚后    发布时间:2019-03-03 01:20:10    

By Hazel Muir FOR decades physicists have been stumped by an everyday problem: why do even slow-moving cars skid so easily on wet roads? Now a team in Italy and Germany has come up with an explanation that could make wet-weather driving safer. A vehicle on wet a road typically requires double or triple its normal stopping distance, and skids more easily. If the road is flooded or the vehicle is travelling faster than 60 kilometres per hour, the cause is usually aquaplaning,

 

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