basic principle of turn isbalancing using the centrifugalwhich makes vehicle go outsideand the gravity whichs vehicle fall inside.The centrifugal force increases ininverse portion to the radiusof a curve and inportion to the square speed. Decelerate priorto entering the curved way to reduce the centrifugal force.NCIPLE OF TURNEFFECT OF SPEEDNING METHODCENTRIFUGALFORCEGRAVITY