JEE Main 2005PhysicsLaws Of MotionFriction ForcemediumMCQ

JEE Main 2005Laws Of Motion Question with Solution

From: AIEEE 2005

Question

A smooth block is released at rest on a incline and then slides a distance . The time taken to slide is times as much to slide on rough incline than on a smooth incline. The coefficient of friction is

Choose an option

Show full solutionCorrect option: B
Correct answer
B

Step-by-step explanation

AIEEE 2005 Physics - Laws of Motion Question 128 English Explanation 1
For smooth surface,



AIEEE 2005 Physics - Laws of Motion Question 128 English Explanation 2
When surface is rough





According to question,



( as )



or

or

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Laws Of Motion chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2005, 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.