At a curved path of the road, the road bed is raised a little on the side away from the centre of the curved path. The slope of the road bed is given by
tanθ=v2/rg
tanθ=r/gv2
tanθ=rg/v2
tanθ=v2g/r
A
tanθ=rg/v2
B
tanθ=v2/rg
C
tanθ=v2g/r
D
tanθ=r/gv2
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Solution
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As shown in the given diagram, the road bed has been raised by an angle θ. Applying Newton's laws in horizontal and vertical directions. we get Nsinθ=mv2r ... (I) and Ncosθ=mg ... (II) by dividing (I) by (II), we get tanθ=v2rg
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