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Friday, 9 October

JEE Main 2025 · PhysicsMultiple choiceDiagram basedHardMulti-step

JEE Main 3 April 2025, Shift 1, Physics Q31

Question 31 of 75 in this shift, Physics question 6 of 25, Section A.

A force of 49 N acts tangentially at the highest point of a sphere (solid) of mass 20 kg, kept on a rough horizontal plane. If the sphere rolls without slipping, then the acceleration of the center of the sphere is

The figure, in words

Solid sphere of radius r on a rough horizontal plane; horizontal force F = 49 N applied tangentially at the top point.
  1. (1)0.25 m/s20.25\ \mathrm{m/s^2}
  2. (2)2.5 m/s22.5\ \mathrm{m/s^2}
  3. (3)0.35 m/s20.35\ \mathrm{m/s^2}
  4. (4)3.5 m/s23.5\ \mathrm{m/s^2}Official answer

Official answer

Option 4

NTA final key.

Chapter
System of Particles and Rotational Motion
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.