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Physics and Mathematics — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsPhysics and Mathematics2 Marks
Question
Which of the following two statements is more appropriate?
  1. Two forces are added using triangle rule because force is a vector quantity.
  2. Force is a vector quantity because two forces are added using triangle rule.
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Answer

The second statement $(b)$ is more appropriate because The definition of a vector is “A quantity which contains information about both direction and magnitude and obeys laws of vector algebra”. Force will only be defined as a vector quantity if it can be added using triangle rule.

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