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Questions  

There are N coplanar vectors each of magnitude V. Each vector is inclined to the preceding vector at
angle  2πN.  What is the magnitude of their resultant?

a
VN
b
V
c
Zero
d
NV

detailed solution

Correct option is C

Since, each of N coplanar vector is inclined at  2πN to the preceding vector. Hence, they will form a closed polygon. Therefore, their resultant must be equals to zero.

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