Notes of Vectors and Equilibrium for FSc Part 1 Physics.

• 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.