JEE Main 2010 — Rotational Motion Question with Solution
JEE Main 2010
Question
A point moves in counter-clockwise direction on a circular path as shown in the figure. The movement of ' ' is such that it sweeps out a length , where is in metres and is in seconds. The radius of the path is . The acceleration of ' ' when is nearly
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
speed,
and rate of change of speed
tangential acceleration at
at
centripetal acceleration,
net acceleration
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Rotational 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 2010, covering the Rotational 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.