First slide

Methods to locate centre of mass

Question

The C.M of a uniform card board cut in ‘T’ shape as shown in figure is

Moderate

A

4 cm from A towards B
B

4 cm from B towards A
C

3 cm from B towards A
D

3 cm from A towards B

Solution

Mass $\large \propto$ Area
$\large d_1=\frac {m_2d}{m_1+m_2}=\frac {20(6)}{10+20}=\frac {12}{3}=4cm$
4cm from A towards B

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