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What are scalar and vector quantities?

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Scalars

Physical quantities can be described completely by its magnitude only but in no particular direction.

example- Distance, speed, work, etc.

Tips for scalars-

  • Scalars are always positive.
  • Represented by alphabet only A, B, C.
  • These physical quantities follow normal algebraic rules of addition.

 Vectors

Physical quantities which can be described by its magnitude and direction.

Physical quantities like Displacement, force, velocity, etc. are vectors.

Tips of vectors-

  • Vectors can be positive, negative, and zero.
  • Represented by alphabet having an arrow on their head.
  • These physical quantities follow the law of vector addition.
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avinash.dongre

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