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Understanding scalar and vector quantities

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Understanding scalar and vector quantities

  1. 1. Understanding Scalar and Vector Quantities Develop by Qulb e Abbas For feedback:sqjafery@gmail.com
  2. 2. Understanding Scalar and Vector Quantities• Scalar quantities: Quantities that have magnitude only. ( Speed, mass, distance) Example: For example speed has unit of m/s-1. but it has no direction. Mass is kg but we dont know the direction. Distance is 2km but no direction. Vector quantities: Quantities that have magnitude and direction. (Velocity, Weight, Displacement) Example: Velocity unit is m/s-1 but we must state the direction that is whether from right to left. Weight unit is Kg but the direction is towards the gravity pull of the earth. Displacement is 2km but to the north from the point of reference.

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