First slide

Methods to locate centre of mass

Question

What will be the position of centre of mass of a half disc shown?

Moderate

A

$\frac{2 a}{π}$
B

$\frac{4 a}{3 π}$
C

$\frac{a}{π}$
D

$\frac{2 a}{3 π}$

Solution

Fact that C.O.M. of half disc is at distance of $\frac{4 a}{3 π}$ from center

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