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Questions  

Two forces F1 = 1 N and F2 =  2 N act along the lines x = 0 and y = 0 respectively. Then the resultant of forces would be

a
i^+  2j^
b
i^+  j^
c
3i^+  2j^
d
2i^+ j^

detailed solution

Correct option is D

x = 0 means y-axis ⇒F1→   =  j^y = 0 means x-axis ⇒F2→   =  2i^so resultant F→   =  F1→+F2→ = 2i^+j^

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