What is meant by banking of roads? Obtain an expression for the maximum speed wch a vecle can safely negotiate a curved road banked at an angle θ .
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banking of roads : the phenomenon of raising outer edge of the curved road above the inner edge is to take a safer turn is called Banking of Roads.
Let a car of mass m moves with speed v m/s in a curved road banked at an angle . and also given that roughness of curved surface is .
see diagram,
.......(1)
........(2)
from equations (1) and (2),
case 1 :- when curved surface is frictionless.e.g.,
then,
case 2 :- for flat roadway. e.g.,
then,
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Answer:
- the phenomenon of raising the outer edge of the curved load above the inner edge is to safer turn is called the banking of road .
Explanation:
fr=nv^2/r= nsin+usNcos..1
fy=
ncos-usNsin-mg...2
vmax=√rg(sin+usNcos)/cos-usSino
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