The x,y coordinates of the centre of mass of a uniform L-shaped lamina of mass 3 kg is
A
B
(1m, 1m)
C
D
(2m, 2m)
Text Solution
Verified by ExpertsThe correct answer is:
A
Choosing the x and y axes as shown in the figure. The coordinates of the vertices of the L – shaped lamina is as shown in the figure.
Divide the L-shaped lamina into three squares each of side 1m and mass 1 kg ( 
the lamina is uniform) by symmetry, the centres of mass 
and 
of the squares are their geometric centres and have coordinates 
respectively.
The coordinates of the centre of mass of the L-shaped lamina is
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