A cyclist with combined mass 80 kg going around a curved road with a uniform speed `20 m//s`. He has to bend inward by an angle ` theta = tan^(-1)`(0.
A cyclist with combined mass 80 kg going around a curved road with a uniform speed `20 m//s`. He has to bend inward by an angle ` theta = tan^(-1)`(0.50) with the verticle , then the force of friction between road surface and tyres will be
`(g=10m//s^(2)`
A. 300 N
B. 400 N
C. 800 N
D. 250 N
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