JEE Main 2019PhysicsRotational MotionTorquemediumMCQ

JEE Main 2019Rotational Motion Question with Solution

From: JEE Main 2019 (Online) 10th April Morning Slot

Question

A particle of mass m is moving along a trajectory given by
x = x0 + a cos1t
y = y0 + b sin2t
The torque, acting on the particle about the origin, at t = 0 is :

Choose an option

Show full solutionCorrect option: B
Correct answer
B+my0a

Step-by-step explanation







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 2019, 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.