Question

state the triangle law of vector addition and the parallelogram law of addition of vectors.

Answer 1

triangle law of Addition of vector:-If Two vector are represents by the two sides of the triangle in both magnitude and direction then according to the triangle law of addition if vector, the third side represents the resultant of two vector taken in the reverse order in both magnitude and direction.
parallelogram law of addition of vector:-if two vector are represent by the addition sides of the parallelogram then the diagonal of the parallelogram represents the resultant of two vectors whose initial points lies at the initial points of two given vectors.
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Answer 2

The Triangle Law of Vector Addition states that "If two similar vectors can be represented both in magnitude and direction as two sides of a triangle taken in order, then the third side taken in the reverse order gives the resultant of two vectors both in magnitude and direction..."

The Parallelogram Law of Vector Addition states that "If two similar vectors can be represented both in magnitude and direction as two adjacent sides of a parallelogram with origins at the intersection, then the diagonal from the point of intersection gives the resultant of the two vectors, both in magnitude and direction..."

The Polygon Law of Vector Addition states that "If a number of vectors can be represented as the sides of a polygon taken in order, both in magnitude and direction, then the side which completes the polygon taken in the reverse order, gives the resultant of all the original vectors both in magnitude and direction..."

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