In the diagram shown in the figure,which of t | vedclass

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(D) According to the triangle law of vector addition,if two vectors are represented by two sides of a triangle in sequence,their sum is represented by

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Only $(b)$ and $(c)$

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(D) According to the triangle law of vector addition,if two vectors are represented by two sides of a triangle in sequence,their sum is represented by the third side in the opposite order.From the figure,for vector $Z$,it is the resultant of vectors $B$ and $C$ in the triangle formed by them. Thus,$Z = B + C$. This confirms option $(c)$ is correct.For vector $Y$,considering the triangle formed by $A$,$Y$,and the vector $Z$ (which is $B+C$),we have $A + Y = Z$. Therefore,$Y = Z - A = B + C - A$. This confirms option $(b)$ is correct.Since both $(b)$ and $(c)$ are correct,option $(d)$ is the correct choice.

In the diagram shown in the figure,which of the following relations is correct?

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