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The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction 0.6 to avoid skidding is
Options
(a) 60 ms⁻¹
(b) 30 ms⁻¹
(c) 15 ms⁻¹
(d) 25 ms⁻¹
Correct Answer:
30 ms⁻¹
Explanation:
Using the relation,
or v² = μrg
= 0.6 x 150 x 10
v = 30 ms⁻¹.
Related Questions: - A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
- A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs
- Light of frequency 8×10¹⁵ Hz is incident on a substance of photoelectric work
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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