Physics · 2025
JEE Main · 24 January 2025, Shift 1 · Q28
A car of mass ' m ' moves on a banked road having radius ' r ' and banking angle θ. To avoid slipping from banked road, the maximum permissible speed…
A car of mass ' $\displaystyle m$ ' moves on a banked road having radius ' $\displaystyle r$ ' and banking angle $\displaystyle \theta$. To avoid slipping from banked road, the maximum permissible speed of the car is $\displaystyle \mathrm{v}_0$. The coefficient of friction $\displaystyle \mu$ between the wheels of the car and the banked road is
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \mu=\frac{v_o^2-r g \tan \theta}{r g+v_o^2 \tan \theta}$
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.