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System of Particles and Rotational Motion

Madhya Pradesh Board · Class 11 · Physics

Complete topic list for System of Particles and Rotational Motion in Madhya Pradesh Board Class 11 Physics. Key concepts, sub-topics, and what to focus on for board exams.

57 questions24 flashcards5 concepts

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4 Topics · Madhya Pradesh Board Class 11 Physics

Topics in System of Particles and Rotational Motion

1

Types of Motion for Rigid Bodies

  • Pure translational motion: All particles have same velocity at any instant (e.g., block sliding down incline)
  • Pure rotational motion: Body rotates about fixed axis, each particle moves in circular path (e.g., ceiling fan)
  • Combined motion: Translation + Rotation (e.g., rolling cylinder)
2

Center of Mass

  • Center of mass is the weighted average position of all particles
  • For two particles: X = (m₁x₁ + m₂x₂)/(m₁ + m₂)
  • For n particles: X = Σmᵢxᵢ/M, Y = Σmᵢyᵢ/M, Z = Σmᵢzᵢ/M
3

Motion of Center of Mass

  • CM moves as if all mass concentrated at CM and all external forces act there
  • Internal forces don't affect CM motion (Newton's 3rd law)
  • Velocity of CM: V = P/M where P is total momentum
4

Linear Momentum of System

  • Total momentum P = Σpᵢ = Σmᵢvᵢ
  • P = MV (momentum equals total mass times CM velocity)
  • Conservation of momentum: If F_ext = 0, then P = constant

Key Concepts

A rigid body can undergo pureThe point where the total massAngular velocity ω = dθ/dt measuresFor vectors a and bThe rotational equivalent of force

Frequently Asked Questions

What are the important topics in System of Particles and Rotational Motion for Madhya Pradesh Board Class 11 Physics?
System of Particles and Rotational Motion covers several key topics that are frequently asked in Madhya Pradesh Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in System of Particles and Rotational Motion — Madhya Pradesh Board Class 11 Physics?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision 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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