JEE Main 2021PhysicsGravitationKeplers Law And Universal Law Of GravitationmediumMCQ

JEE Main 2021 — Gravitation Question with Solution

From: JEE Main 2021 (Online) 1st September Evening Shift

Question

Four particles each of mass M, move along a circle of radius R under the action of their mutual gravitational attraction as shown in figure. The speed of each particle is :

JEE Main 2021 (Online) 1st September Evening Shift Physics - Gravitation Question 105 English

This question includes a diagram. The text above accompanies the figure.

Choose an option

Show full solutionCorrect option: B
Correct answer
B

Step-by-step explanation

Let us consider the gravitational force acting on each mass M by adjacent particles be F.

and the gravitational force acting on each mass M diagonally be F1.

JEE Main 2021 (Online) 1st September Evening Shift Physics - Gravitation Question 105 English Explanation


Along the centre of circle,














Option (b)

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About this question

This is a previous-year question from JEE Main 2021, covering the Gravitation 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.