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Rotational Motion of a Rigid Body: Moment of Inertia — Formula Sheet

ICSE · Class 11 · Physics

18 formulas from Rotational Motion of a Rigid Body: Moment of Inertia (ICSE Class 11 Physics) on one page, grouped by topic.

51 questions38 flashcards18 formulas & key relations5 concepts

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A 3D diagram illustrating the definition of torque (τ = r x F). It shows a force vector (F) applied at a point with position vector (r) relative to an origin, and the resulting torque vector (τ) perpe
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18 Entries · 6 Sections

Formulas and Key Relations

1) Torque and Angular Momentum

τ = r × F

τ = rF sinθ

L = r × p

L = rp sinθ

τ = dL/dt

2) Rigid Body, Rotation, and Kinematics

s = rθ

v = rω

a = rα

ω = ω0 + αt

θ = ω0 t + (1/2)αt^2

3) Moment of Inertia and Radius of Gyration

I = Σmr^2

I = ∫r^2 dm

I = Mk^2

k = √(I/M)

4) Theorems of Parallel and Perpendicular Axes

I = Icm + Ma^2

Iz = Ix + Iy

s = rθ, v = rω, and a = rα.

Key relations

Radius of gyration k is defined by I = Mk², so k = √(I/M).

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Frequently Asked Questions

What are the important topics in Rotational Motion of a Rigid Body: Moment of Inertia for ICSE Class 11 Physics?
Key topics in Rotational Motion of a Rigid Body: Moment of Inertia include Torque and Angular Momentum, Rigid Body, Motion Variables, and Equations of Rotational Motion, Moment of Inertia and Radius of Gyration, Theorems of Parallel and Perpendicular Axes. Study these first, then practise questions on each for Class 11 exams.
How many formulas are in Rotational Motion of a Rigid Body: Moment of Inertia?
This sheet lists 18 formulas from Rotational Motion of a Rigid Body: Moment of Inertia, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Rotational Motion of a Rigid Body: Moment of Inertia for Class 11 exams?
Learn the core ideas first, then work through the 51 practice questions on Rotational Motion of a Rigid Body: Moment of Inertia. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All ICSE Class 11 Physics Formula Sheet

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