The coordinates of the centre of mass of a uniform flag-shaped lamina (thin flat plate) of mass 4   k g…

The coordinates of the centre of mass of a uniform flag-shaped lamina (thin flat plate) of mass 4 kg. (The coordinates of the same are shown in the figure) are:

  1. 1.25 m,1.50 m
  2. 0.75 m,1.75 m
  3. 0.75 m,0.75 m
  4. m,1.75 m

Solution


rcm=2×i^2+j^+2×i^+5j^24
rcm=34i^+74j^

Asked in: JEE Main 2020 (08 Jan Shift 1)

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