9th Physics Unit # 4 Turning Effect of Forces

Free Download 9th Physics Turning effect of forces Chapter no 4

Chapter 4: Turning effect of forces

    • Like and unlike parallel forces; Add of forces; Resolution of forces.
    • Practical: Finding the resultant of two forces graphically
    • Practical: Finding the weight of an object by vector addition method
    • Torque; Principle of moments; Centre of mass; Centre of gravity; Couple
    • Practical: Verifying the principle of moments by balancing a metre rod on a wedge
      • Equilibrium; 1st condition of equilibrium; 2nd condition of equilibrium; States of equilibrium,
      • Stability of objects
      • Practical: Finding the tension in the string by balancing a metre rod on two stands
      • Practical: Finding the weight of an object using the principle of momentum
      • Exercise Ch.4 & Numerical

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9th class physics notes Urdu medium Chapter no 4 Click here

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