A car is moving with speed of ` 10 m//s ` in a concave road of radius 100 m .If the mass of the car is 700 kg, then the reaction on the car tyres when
A car is moving with speed of ` 10 m//s ` in a concave road of radius 100 m .If the mass of the car is 700 kg, then the reaction on the car tyres when it is at the lowest position will be
A. 4560 N
B. 5560 N
C. 6560 N
D. 7560 N
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Correct Answer - D
`N_(L)=(mv^(2))/(r)+mg`
`=(700xx100)/(100)+700xx9.8=700+6860`
`=7560 N`.
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