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Questions  

Forces proportional to AB, BC and 2CA act along the sides of a triangle ABC in order . Their resultant is represented in magnitude and direction by
 

a
CA→
b
AC→
c
BC→
d
CB→

detailed solution

Correct option is A

Resultant AB→+BC→+2CA→=AC→+2CA→=−CA→+2CA→=CA→

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