Question

state the triangle law of vector additional find expression for resultant -R
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Answer 1

Answer:

In triangle ACB, we have from triangle law of vector addition AB+BC=AC. Hence, we have u+v=w, which is the parallelogram law of vector addition. tanϕ=asinθv+acosθ⇒ϕ=tan−1(usinθv+ucosθ), which is the required direction of the resultant vector.