NEET  >  Theorem of Perpendicular Axis

# Theorem of Perpendicular Axis Video Lecture - Physics Class 11 - NEET

## Physics Class 11

116 videos|451 docs|188 tests

## FAQs on Theorem of Perpendicular Axis Video Lecture - Physics Class 11 - NEET

 1. What is the theorem of perpendicular axis?
Ans. The theorem of perpendicular axis states that the moment of inertia of a planar body about an axis perpendicular to its plane is equal to the sum of the moments of inertia of the body about any two mutually perpendicular axes lying in the plane and intersecting at the perpendicular axis.
 2. How is the theorem of perpendicular axis used in physics?
Ans. The theorem of perpendicular axis is used in physics to calculate the moment of inertia of a planar body about an axis perpendicular to its plane. It allows us to determine the distribution of mass within the body and understand its rotational motion.
 3. Can the theorem of perpendicular axis be applied to any shape?
Ans. Yes, the theorem of perpendicular axis can be applied to any shape as long as it is a planar body. It holds true for regular and irregular shapes, as well as composite bodies consisting of multiple shapes.
 4. What are the practical applications of the theorem of perpendicular axis?
Ans. The theorem of perpendicular axis has various practical applications in physics and engineering. It is used to analyze the rotational motion of objects, design rotating machinery, calculate moments of inertia in mechanical systems, and understand the stability and balance of structures.
 5. Are there any limitations to the theorem of perpendicular axis?
Ans. While the theorem of perpendicular axis is a useful tool for calculating moments of inertia, it does have limitations. It can only be applied to planar bodies and does not account for the distribution of mass in the third dimension. For three-dimensional bodies, the theorem of perpendicular axis cannot provide accurate results.

## Physics Class 11

116 videos|451 docs|188 tests

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