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QJEEM19Ph51d3: JEE Main 2019 Physics - Class 11 JEEM19Ph51d3 Solution: The position vector of the centre of mass r → c m of an…

The position vector of the centre of mass r→cm of an asymmetric uniform bar of negligible area of crosssection as shown in figure is :

JEE Main 2019 (Online) 12th January Morning Slot Physics - Center of Mass and Collision Question 95 English

Multiple Choice Options

  • A r→cm=118Lx^+88Ly^
  • B r→cm=58Lx^+138Ly^
  • C r→cm=138Lx^+58Ly^
  • D r→cm=38Lx^+118Ly^

Step-by-Step Verified Solution

JEE Main 2019 (Online) 12th January Morning Slot Physics - Center of Mass and Collision Question 95 English Explanation

Xcm=2mL+2mL+5mL24m=138L

Ycm=2m×L+m×(L2)+m×04m=5L8

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