what are vector laws of addition ?? explain !!!
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Vector addition is the operation of adding two or more vectors together into a vector sum. The so-called parallelogram law gives the rule for vector addition of two or more vectors. For two vectors and , the vector sum is obtained by placing them head to tail and drawing the vector from the free tail to the free head.
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According to the Parallelogram law of vector addition, if any two vectors a and b represent two sides of a parallelogram in magnitude and direction, then their sum a + b is equal to the diagonal of the parallelogram through their common point in magnitude and direction.
Triangle law of vector addition states that when two vectors are represented as two sides of the triangle with the order of magnitude and direction, then the third side of the triangle represents the magnitude and direction of the resultant vector.
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