JEE Main 2021 — Circular Motion Question with Solution
From: JEE Main 2021 (Online) 20th July Morning Shift
Question
The normal reaction 'N' for a vehicle of 800 kg mass, negotiating a turn on a 30 banked road at maximum possible speed without skidding is ____________ 103 kg m/s2. [Given cos30 = 0.87, s = 0.2]
Choose an option
Show full solutionCorrect option: D
Correct answer
D10.2
Step-by-step explanation
The given situation can be represented as
Equating forces perpendicular to the inclined plane,
.... (i)
Equating forces along the inclined plane,
.... (ii)
On dividing Eq. (i) by Eq. (ii), we get
[ and ]
Therefore, kg-m/s2
Equating forces perpendicular to the inclined plane,
.... (i)
Equating forces along the inclined plane,
.... (ii)
On dividing Eq. (i) by Eq. (ii), we get
[ and ]
Therefore, kg-m/s2
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