Now, angular momentum about origin 0= angular momentum due to linear motion of centre of mass + angular momentum due to rotation of body about its' centre of mass ∴‌‌L0‌‌=L‌linear motion ‌+L‌rotational motion ‌ ‌‌=mvR+Iω ‌‌=mR2ω+Iω ‌‌=(mR2+I)ω ‌‌[∴v=Rω] For solid sphere, I=‌
2
5
mR2 and for solid cylinder, I=‌
1
2
mR2 So, (L‌sphere ‌)‌about ‌′0′=(mR2+‌
2
5
mR2)ω=‌
7
5
mR2ω and (L‌sphere ‌)‌about ‌⋅0′=(mR2+‌