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Skidding of Vehicle on a Leveled Road

When a vehicle turns on a circular path, it requires centripetal force (Fig. 3). If friction provides this centripetal force, then the vehicle can move in circular path safely if, i.e.,
 
Friction force ≥ Required centripetal force
37021.png
 
∴ 37015.png
 

Fig. 3
 
This is the maximum speed by which a vehicle can turn in a circular path of radius r, where coefficient of friction between the road and tyre is μ.




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