A)
B)
C)
D)
Correct Answer: C
Solution :
[c] Configuration (1) \[{{m}_{net}}=\sqrt{{{m}^{2}}+{{m}^{2}}+2m\,\,m\,Cos\,90{}^\circ }=\sqrt{2m}\] Configuration (2) \[{{m}_{net}}=\text{ }m-m=0\] Configuration (3) \[{{m}_{net}}=\sqrt{{{m}^{2}}+{{m}^{2}}+2m\,\,m\,Cos\,30{}^\circ }=m\sqrt{2+\sqrt{3}}\] Configuration (4) \[{{m}_{net}}=\sqrt{{{m}^{2}}+{{m}^{2}}+2m\,\,m\,Cos\,60{}^\circ }=\sqrt{3m}\]
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