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Formula Sheet

System of Particles and Rotational Motion — Formula Sheet

CBSE · Class 11 · Physics

16 formulas from System of Particles and Rotational Motion (CBSE Class 11 Physics) on one page, grouped by topic. Includes It is not commutative.

124 questions88 flashcards16 formulas & key relations5 concepts

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16 Entries · 5 Sections

Formulas and Key Relations

2. Centre of Mass and Motion of Centre of Mass

X = (m1x1 + m2x2)/(m1+m2)

R = (Σ mi ri)/M

MA = F_ext

P = MV

dP/dt = F_ext

3. Vector Product, Torque and Angular Momentum

c = ab sinθ

τ = r × F; τ = rF sinθ

l = r × p; l = rp sinθ

dL/dt = τ_ext

4. Equilibrium of a Rigid Body and Centre of Gravity

ΣFi = 0

Στi = 0

d1F1 = d2F2

M.A. = F1/F2 = d2/d1

Centre of Mass and Centre of Gravity

If the origin is chosen at the centre of mass, then Σ mi ri = 0.

Key relations

Also, dP/dt = F_ext.

It is not commutative

a × b = - b × a.

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Frequently Asked Questions

What are the important topics in System of Particles and Rotational Motion for CBSE Class 11 Physics?
Key topics in System of Particles and Rotational Motion include Rigid Body and Types of Motion, Centre of Mass and Centre of Gravity, Motion of Centre of Mass and Linear Momentum, Vector Product, Torque and Angular Momentum. Study these first, then practise questions on each for Class 11 exams.
How many formulas are in System of Particles and Rotational Motion?
This sheet lists 16 formulas from System of Particles and Rotational Motion, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise System of Particles and Rotational Motion for Class 11 exams?
Learn the core ideas first, then work through the 124 practice questions on System of Particles and Rotational Motion. 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 CBSE Class 11 Physics Formula Sheet

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