A) 2.0 kg
B) 4.0 kg
C) 0.2 kg
D) 0.4 kg
Correct Answer: D
Solution :
\[{{\mu }_{s}}=\frac{{{m}_{B}}}{{{m}_{A}}}\] Þ \[0.2=\frac{{{m}_{B}}}{2}\] Þ\[{{m}_{B}}=0.4\ kg\]
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