Question

State Triangle law of vector addition. Using this law, find the magnitude and
direction of the resultant of two coplanar vectors P and Q

Answer 1

Answer:

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Answer 2

Answer:

Triangle law  states that when two vectors are represented as sides of a triangle in magnitude and direction taken in same order then third side represents the direction of vectors.

Resultant (R) = $\sqrt{P^{2} + Q^{2} +2PQcos }$Ф

    where Ф is the angle between the two vectors.

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