JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumApplication

JEE Main 5 April 2024, Shift 2, Physics Q34

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

A particle moves in

x

y

plane under the influence of a force

\vec{F}

such that its linear momentum is

\vec{p}(t)=\hat{i}\cos(kt)-\hat{j}\sin(kt)

. If k is constant, the angle between

\vec{F}

and

\vec{P}

will be :

(1) $\frac{\pi}{2}$ Official answer
(2) $\frac{\pi}{3}$
(3) $\frac{\pi}{4}$
(4) $\frac{\pi}{6}$

Official answer

Option 1

NTA final key.

Chapter: Laws of Motion
Topic: Newton's Laws of Motion
Idea tested: Momentum Formulation (F = dp/dt)

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 108 of the 174 JEE Main shifts held from 2017 to 2026.