Question

Explain
1. Triangle Law of Vector addition
2. Parallelogram law of vector addition​

Answer 1

Explanation:

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Answer 2

1. Triangle  Law of Vector Addition- If two vectors represent two sides of the triangle taken in same order then the third side is taken in opposite order will give the resultant vector

•It is valid only for two vectors.

Resultant Vector (Vector R)

= Vector A + Vector B

(See the attachment No.1)

2. Parallelogram Law of Vector Addition- If  two  sides of a parallelogram (adjacent sides) represent then the diagonal passing through the common point will give resultant vector.

•It will give the same result as we get in triangle law of addition.

$R=\sqrt{ {a}^{2}+{b}^{2}+2abcos\theta}$

(See the attachment No.2)