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The perpendicular axis theorem is mostly applicable to 1-dimensional objects or laminar types of objects. On the other hand, the parallel axis theorem applies to 2 or 3-dimensional rigid objects.
The below table contains the formula for different homogeneous rigid objects and their moment of inertia. These formulas will help the students to solve problems based on the moment of inertia of objects of different shapes and sizes:
Conclusion
The above article explains different concepts related to the rotational movement of particles. Rotational motion is how an object moves along a circular path around its axis, with a common angular velocity. In rotational motion, the moment of inertia is the magnitude by which a rotating object opposes its motion. The unit of rotational moment of inertia is kg/m2. There are two theorems to find out moment of inertia i.e. parallel axis theorem and perpendicular axis theorem.
