Question : Which of the following is the correct formula for the moment of inertia?
Option 1: I = mr2
Option 2: I = rm2
Option 3: I = m/r2
Option 4: I = 2mr
Correct Answer: I = mr 2
Solution : The correct answer is l = m r 2 .
The formula for the moment of inertia is the sum of the product of the mass of each particle with the square of its distance from the axis of the rotation.
The unit of the moment of inertia is kg.m 2 .
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