JEE Main 2012 — Laws of Motion Question with Solution
JEE Main 2012 (12 May Online)
Question
An insect crawls up a hemispherical surface very slowly. The coefficient of friction between the insect and the surface is . If the line joining the centre of the hemispherical surface to the insect makes an angle with the vertical, the maximum possible value of so that the insect does not slip is given by
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Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
The insect crawls up the bowl upto a certain height only till the component of its weight along the bowl is balanced by limiting frictional force. For limiting condition at point Dividing eq. (ii) by (i) As Given
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This is a previous-year question from JEE Main 2012, covering the Laws of Motion chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.