A circular plate of uniform thickness has diameter 56 cm . A circular part of diameter 42 cm is removed from one edge. What is the position of the centre of mass of the remaining part
Text Solution
Verified by ExpertsThe correct answer is:
C
New center of mass is given by:
is mass of original disc
is mass of removed disc
is center of mass position of original disc
is center of mass position of removed disc
If mass per unit area 
then, mass of original disc 
mass of removed disc 
Center of mass shifts by 9 cm .
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