An automobile enters a turn whose radius is R. The road is banked at angle . friction is…
Physics · JEE Advanced · NTA Exams — Laws of Motion
An automobile enters a turn whose radius is R. The road is banked at angle \(\theta\). friction is negligible between the wheels of the automobile and road. mass of the automobile is m and speed is u. Select the correct alternative:
- net force on the automobile is zero
- normal reaction on the automobile is mg cos \(\theta\)
- normal reaction on the automobile is mg sec \(\theta\)
- none of the above
Answer
(C) normal reaction on the automobile is mg sec
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