JEE Main 2023PhysicsMotion In Two DimensionsMediumMCQ

JEE Main 2023 — Motion In Two Dimensions Question with Solution

JEE Main 2023 (13 Apr Shift 1)

Question

A disc is rolling without slipping on a surface. The radius of the disc is R. At t=0, the top most point on the disc is A as shown in figure. When the disc completes half of its rotation, the displacement of point A from its initial position is

Choose an option

Show full solutionCorrect option: B
Correct answer
BRπ2+4

Step-by-step explanation

The displacement is the hypotenuse of the diameter and the distance travelled for half the rotation πR.

By using Pythagoras theorem,

Displacement of A=(2R)2+(πR)2

=Rπ2+4

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About this question

This is a previous-year question from JEE Main 2023, covering the Motion In Two Dimensions 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.