19. Four particles of mass 1kg, 2kg, 3kg and 4kg are placed at the four vertices a, b, c and d of square of side 1m. Find the position of centre of mass of the particle
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Let ABC be the triangle.
Let mass m be situated at the midpoint of side BC.
It experiences equal and opposite force due to particle at B and C
Hence the total force experienced by the mass is only due to A
Which equal to Gm^2/(a×sqrt(3)/4))^2
4Gm^2/3a^2
Let mass m be situated at the midpoint of side BC.
It experiences equal and opposite force due to particle at B and C
Hence the total force experienced by the mass is only due to A
Which equal to Gm^2/(a×sqrt(3)/4))^2
4Gm^2/3a^2
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