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Ch#4-Class 9th/Matric/SSC-I Physics Notes Free Download (FBISE Islamabad) and Other Boards in shape of Video Lectures in Urdu Language

Chapter 4: Turning Effect Of Forces (25 videos)

4.1: Like and Unlike Parallel Forces

  1. Like and Unlike Parallel Forces

4.2: Addition of Forces

  1. Addition of Forces
  2. Problem 1 on Vector Addition and Subtraction
  3. Problem 2 on Vector Addition and Subtraction

4.3: Resolution of Forces

  1. Resolution of Forces
  2. Problem on Resolution of Forces
  3. Determination of a Force from its Perpendicular Components

4.4: Torque or Moment of a Force

  1. Axis of Rotation
  2. Introduction to Torque or Moment of a Force
  3. problem on Introduction to Torque or Moment of a Force

4.5: Principle of Moment

  1. Principle of Moment
  2. Problem on Principle of Moments

4.6: Centre of Mass

  1. Center of Mass

4.7: Centre of Gravity

  1. Center of Gravity
  2. Center of Gravity of Irregular Shape

4.8: Couple

  1. Introduction to Couple

4.9: Equilibrium

  1. Introduction to Equilibrium
  2. Equilibrium of Bodies Under the Action of Coplanar Forces
  3. Conditions for Equilibrium
  4. Problem 1 on Conditions for Equilibrium
  5. States of Equilibrium
  6. Problem 2 on Conditions for Equilibrium
  7. Problem 3 on Conditions for Equilibrium
  8. Problem 4 on Conditions for Equilibrium

4.10: Stability and Position of Centre of Mass

  1. Stability and Position of Center of Mass

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