two vectors having magnitudes A make an angle Ф with each other . find the magnitude and direction of the resultanat.
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resultant of two vector = (P^2 + Q^2 + 2PQCosФ)^1/2
direction tanα = QSinФ / (P + QCosФ) (α angle with vector P)
given P = A ,Q = A
putting on above equation
resultant R = 2ACos(Ф/2)
direction α = Ф/2
direction tanα = QSinФ / (P + QCosФ) (α angle with vector P)
given P = A ,Q = A
putting on above equation
resultant R = 2ACos(Ф/2)
direction α = Ф/2
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