Start free

Physics · Work, Power & Energy

JEE Main 2025 — 22 January, Evening Shift — Question 57

A force F⃗=2i^+bj^+k^\vec{F}=2 \hat{i}+b \hat{j}+\hat{k} is applied on a particle and it

undergoes a displacement i^−2j^−k^\hat{\mathrm{i}}-2 \hat{\mathrm{j}}-\hat{\mathrm{k}}.

What will be the value of bb, if work done on the particle is zero.

  1. Option A:

    0

  2. Option B:

    12\frac{1}{2}

    Correct
  3. Option C:

    13\frac{1}{3}

  4. Option D:

    2

Answer: B

Step-by-step solution

Conceptual

Answer key and solution verified before publishing.

Practise Work, Power & Energy

Start with this question, then two more from the same chapter — with a tutor that explains every step. Free.

Solve a similar one free
Exam
JEE Main 2025
Paper
22 January, Evening Shift
Subject
Physics
Chapter
Work, Power & Energy
Topic
Work Done by a Constant and Variable Force
A force vec F =2 hat i +b hat j +hat k is applied on a particle and… | JEE Main 2025 PYQ with Solution · DhiX AI