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Compare moment of inertia and mass. |
| Answer» Solution :A. The role of moment of INERTIA (I) in rotatory motion is QUITE similar to the role of MASS (m) in linear motion Moment of Inertia represents inertia of a body in rotatory motion whereas mass is a measure for inertia of the body in linear motion. EX: Force Fema: Torque `tau=Ialpha` Momentum `vecp`=mv, ANGULAR momentum `vecL=Iomega` | |