Answer:

phenomena in which the edges of the curved roads are raised above the inner edge to provide the necessary CENTRIPETAL force to the vehicles so that they take a safe turn. The various terminologies used in the case of banking of roads are:

Banked Turn – It is defined as the turn or change of direction in which the vehicle inclines towards inside.

Bank Angle – The angle at which the vehicle is inclined is defined as the bank angle.

In the next section, let us look at the formula for the angle of banking.

Angle of Banking Formula

The velocity of a vehicle on a curved banked road v=(rg(tanΘ+μs))1−μStanθ−−−−−−−−−√

For a given pair of roads, and tyre μs=tanλ, where λ is the angle of friction, the velocity of a vehicle on a curved banked road is v=rgtan(Θ+λ)−−−−−−−√

The safe velocity on an unbanked road is given by the expression vmax=μ×r×g−−−−−−−−√

The expression for the angle of banking of road is given by Θ=tan−1v2rg

The expression for the safe velocity on the banked road is given by vmax=rgtanΘ−−−−−−−√

Centripetal Force F = mv2/r = mω2r

Roads are most often banked for the average speed of vehicles passing over them. Nevertheless, if the speed of a vehicle is lesser or more than this, the self-adjusting state friction will operate between tyre and road and vehicle will not skid.

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