1.

Find the centre of mass of a uniform L-shaped laminaa thin flat plate) origine with dimensions as shownin figure. The mass of lamina is 3 kg.(A) 6'65 7)(B) 6'6A22m3' 6O (0,0)(D) 16' 7ラ

Answer»

Lets suppose each square lamina has a mass of 1 kg. having COM at (1/2, 1/2) (3/2, 1/2) (1/2, 3/2)

COM of L shaped lamina will bex= m1x1 + m2x2 + mx3/ m1 + m2 + m3by putting the values we will get x= 5/6m

y = m1y1 + m2y2+ m3y/ m1 + m2 + m3y= 5/6 m



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