JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 6 April 2023, Shift 2, Physics Q34

Question 34 of 90 in this shift, Physics question 4 of 30, Section A.

A child of mass 5 kg is going round a merry-go-round that makes 1 rotation in 3.14 s. The radius of the merry-go-round is 2 m. The centrifugal force on the child will be

(1)40 NOfficial answer
(2)50 N
(3)80 N
(4)100 N

Official answer

Option 1

NTA final key.

Chapter: Laws of Motion
Topic: Circular Motion
Idea tested: Centrifugal Pseudo-Force

Same idea in other shifts

Asked 3× in all

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.