Question

1. State triangle law of vector addition?
Derive the expression for resultant vector in triangle​

Answer 1

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Triangle Law of Vector Addition Derivation

Consider two vectors \vec{P} and \vec{Q} that are represented in the order of magnitude and direction by the sides OA and AB, respectively of the triangle OAB. Let \vec{R}be the resultant of vectors \vec{P} and \vec{Q}. Above equation is the magnitude of the resultant vector.