163- In the figure below, $M = 2000\,\text{kg}$ and $m = 2400\,\text{kg}$. If the system is released from rest, the acceleration of mass $M$ is approximately how many $\dfrac{m}{s^2}$ and in which direction? ($g = 10\dfrac{m}{s^2}$, and the mass of the rope and pulleys are neglected.) [Figure: A pulley system with mass $M$ hanging on one side and mass $m$ on the other side]
[(1)] 1.5 and upward
[(2)] 3 and upward
[(3)] 1.5 and downward
[(4)] 3 and downward
\textbf{163-} In the figure below, $M = 2000\,\text{kg}$ and $m = 2400\,\text{kg}$. If the system is released from rest, the acceleration of mass $M$ is approximately how many $\dfrac{m}{s^2}$ and in which direction? ($g = 10\dfrac{m}{s^2}$, and the mass of the rope and pulleys are neglected.)
\textit{[Figure: A pulley system with mass $M$ hanging on one side and mass $m$ on the other side]}
\begin{itemize}
\item[(1)] 1.5 and upward
\item[(2)] 3 and upward
\item[(3)] 1.5 and downward
\item[(4)] 3 and downward
\end{itemize}
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