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Saturday, 10 October

JEE Main 2026 · PhysicsMultiple choiceSingle correctMediumApplication

JEE Main 5 April 2026, Shift 2, Physics Q28

Question 28 of 75 in this shift, Physics question 3 of 25, Section A.

A mass of 1 kg is kept on a inclined plane with 30∘30^\circ inclination with respect to horizontal plane and it is at rest initially. Then the whole assembly is moved up with constant velocity of 4 m/s. The work done by the frictional force in time 2 s is __________ J. (Take g=10g=10 m/s2^2)
  1. (1)2020Official answer
  2. (2)2525
  3. (3)3030
  4. (4)1010

Official answer

Option 1

NTA final key.

Chapter
Work, Energy and Power
Topic
Work and Kinetic Energy
Idea tested
Work Done by Friction

Same idea in other shifts

Asked 3× in all
  1. 29 Jan 2024, Shift 1 · Q34A block of mass 100 kg slides over a distance of 10 m on a horizontal surface. If the co-efficient of friction between the surfaces is…EasySingle correct
  2. 30 Jan 2024, Shift 2 · Q35A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 60∘60^\circ by a force of 10 N10\ N parallel to the…EasySingle correctHas a figure

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.