A cubical block having square cross section of side \( 2 \mathrm{~m} \) and of mass \( M=10 \mathrm{~kg} \) is resting over a platform moving at constant acceleration \( a=1 \mathrm{~m} / \mathrm{s}^{2} \). Coefficient of friction between the block and the platform is \( \mu=0.1 \). A force \( F \) acts at the top of the cube as shown in figure. Now match Column I with Column II.
\begin{tabular}{|c|l|}
\hline Column I & \multicolumn{1}{|c|}{ Column II } \\
\hline i. \( F=0 \) & a. Block neither topples nor slips over the platform \\
\hline ii. \( F=45 \mathrm{~N} \) & b. Block topples but does not slip over the platform \\
\hline iii. \( F=15 \mathrm{~N} \) & c. Block slips but does not topple over the platform \\
\hline iv. \( F=25 \mathrm{~N} \) & d. Block slips as well as topples on the platform \\
\hline
\end{tabular}
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