OnlineCBT Logo OnlineCBT

Physics · JEE | LAWS OF MOTION

हिन्दी

What is the condition on the angle of banking \( \theta \) and coefficient of static friction \( \mu_s \) for a car to be parked safely on a banked road without slipping down?

  1. A
    \( \tan\theta \ge \mu_s \)
  2. B
    \( \tan\theta \le \mu_s \)
  3. C
    \( \sin\theta \le \mu_s \)
  4. D
    \( \cos\theta \ge \mu_s \)
View Answer & Solution

Correct answer · Option B

\( \tan\theta \le \mu_s \)

Explanation

For a parked car not to slide down under gravity, the component of weight down the plane \( mg\sin\theta \) must be balanced by maximum static friction \( \mu_s mg\cos\theta \), giving \( \tan\theta \le \mu_s \).
Address Contact

+91 9694780911

E-mail

onlinecbtportal@gmail.com

Helpline Number

+91 9694780911


Click To Download
Get it on Google Play

ऐप डाउनलोड करने
के लिए Google Play पर
उपलब्ध है

WhatsApp Chat