1.

Derive anexpmusion for magnitudensultant vector istwo vechois8ame hipe are indined to eachsther at an ange ahing at acomnon poin

Answer»

cosine rule→

R=magnitude of resultant of u and v , inclined at an angle α to vector u,

R²=u²+v²-2uvcos(180°-θ)

R=√{u²+v²+2uvcosθ}

sinα=usinθ/R



Discussion

No Comment Found

Related InterviewSolutions