JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 25 July 2022, Shift 1, Physics Q34

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

A body of mass

0.5

kg travels on straight line path with velocity

v=(3x^2+4)

m/s. The net workdone by the force during its displacement from

x=0

x=2

m is :

(1) $64$ J
(2) $60$ JOfficial answer
(3) $120$ J
(4) $128$ J

Official answer

Option 2

NTA final key (2022 Session 2).

Chapter: Work, Energy and Power
Topic: Work and Kinetic Energy
Idea tested: Work-Energy Theorem

Same idea in other shifts

Asked 7× 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 42 of the 174 JEE Main shifts held from 2017 to 2026.