JEE Main 2021 — Laws Of Motion Question with Solution
From: JEE Main 2021 (Online) 27th July Evening Shift
Question
A particle of mass M originally at rest is subjected to a force whose direction is constant but magnitude varies with time according to the relation
Where F0 and T are constants. The force acts only for the time interval 2T. The velocity v of the particle after time 2T is :
Where F0 and T are constants. The force acts only for the time interval 2T. The velocity v of the particle after time 2T is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C4F0T/3M
Step-by-step explanation
At t = 0, u = 0
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 2021, 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.