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Physics · Rotational Dynamics

JEE Main 2025 — 22 January, Evening Shift — Question 56

The torque due to the force (2i^+j^+2k^)(2 \hat{i}+\hat{j}+2 \hat{k}) about the origin,

acting on a particle whose position vector is

(i^+j^+k^)(\hat{\mathrm{i}}+\hat{\mathrm{j}}+\hat{\mathrm{k}}), would be

  1. Option A:

    i^−j^+k^\hat{\mathrm{i}}-\hat{\mathrm{j}}+\hat{\mathrm{k}}

  2. Option B:

    i^+k^\hat{i}+\hat{k}

  3. Option C:

    i^−k^\hat{\mathrm{i}}-\hat{\mathrm{k}}

    Correct
  4. Option D:

    j^−k^\hat{\mathrm{j}}-\hat{\mathrm{k}}

Answer: C

Step-by-step solution

Conceptual

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Exam
JEE Main 2025
Paper
22 January, Evening Shift
Subject
Physics
Chapter
Rotational Dynamics
Topic
Torque, Equation of Motion and Toppling
The torque due to the force (2 hat i +hat j +2 hat k ) about the… | JEE Main 2025 PYQ with Solution · DhiX AI