The position vector of the centre of mass cm of an symmetric uniform bar of negligible area of cross-section as shown in figure is :

a. |
cm = L + L |
b. |
cm = L + L |

c. |
cm = L + L |
d. |
cm = L + L |

The position vector of the centre of mass cm of an symmetric uniform bar of negligible area of cross-section as shown in figure is :

a. |
cm = L + L |
b. |
cm = L + L |

c. |
cm = L + L |
d. |
cm = L + L |

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