Notes of Chapter 02: Vectors and Equilibrium of “Physics XI” for FSc Part 1 published by Punjab Textbook Board, Lahore. These notes are very helpful to prepare Physics paper of FSc Part 1 for Federal Board, Multan Board, Faisalabad Board, Sargodha Board, Gujranwala Board, DG Khan Board, Rawalpindi Board or any other board of Punjab, Pakistan.


  • Basic Concept of vectors.
  • Vectors.
  • Rectangular Coordinate system.
  • Addition of Vectors.
  • Resultant Vectors.
  • Vectors Subtraction.
  • Multiplication of a Vector with a Scalar.
  • Unit Vector.
  • Null Vector.
  • Equal Vectors.
  • Rectangular Components of a Vector.
  • Determination of a Vector from its Rectangular Components.
  • Position Vector.
  • Vector Addition by Rectangular Components.
  • Product of two Vectors.
  • Vector or Cross Product.
  • Torque.
  • Equilibrium of Forces.
  • First Condition of Equilibrium.
  • Second Condition of Equilibrium.

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  • Last modified: 2018/03/20 13:00