Question

obtain an expression for speed with which a vehical can safely negosiate a flat curved road ?​

Answer 1

Answer:

(ii) The normal reaction (R) of the ground on the car which is equal and opposite to the weight of the car, i.e., R = mg. Then centripetal force must be provided by the frictional force (F) between the tyres of the car and the ground. The car should negotiate the flat circular path not more than that given by equ.