Question:
Two masses $A$ and $B$, each of mass $M$ are fixed together by a massless springs. A force acts on the mass $\mathrm{B}$ as shown in figure. If the mass $\mathrm{A}$ starts moving away from mass $\mathrm{B}$ with acceleration ' $\mathrm{a}$ ', than the acceleration of mass $\mathrm{B}$ will be:
Correct Option: , 2
Solution:
$F-F_{s}=M a^{\prime}$
$a^{\prime}=\frac{F}{M}-9$
$\frac{F-m a}{M}$
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