Learn

Friday, 9 October

JEE Main 2024 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 8 April 2024, Shift 1, Physics Q52

Question 52 of 90 in this shift, Physics question 22 of 30, Section B.

A uniform thin metal plate of mass 10 kg with dimensions is shown. The ratio of xx and yy coordinates of center of mass of plate in n9\frac{n}{9}. The value of nn is ________.

The figure, in words

Shaded plate in the xy-plane: rectangle from (0,0) to (3,2) with a rectangular notch removed from the top between x=1 and x=2, from y=1 to y=2. Labelled points (0,2), (1,2), (1,1), (2,1), (2,2), (3,2), (0,0), (3,0).

Official answer

15

NTA final key.

Chapter
System of Particles and Rotational Motion
Topic
Center of Mass
Idea tested
COM of Composite Bodies

Same idea in other shifts

Asked 2× in all
  1. 8 Jan 2020, Shift 1 · Q3The coordinates of centre of mass of a uniform flag shaped lamina (thin flat plate) of mass 4 kg. (The coordinates of the same are shown…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. 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.