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The coefficient of friction between \( 4 \mathrm{~kg} \) and \( 5 \mathrm{~kg} \) blocks is \( 0.2 \) and between \( 5 \mathrm{~kg} \) block and ground is \( 0.1 \) respectively. Choose the correct statements
(A) Minimum force needed to cause system to move is \( 17 \mathrm{~N} \)
\( \mathrm{P} \)
(B) When force is \( 4 \mathrm{~N} \) static friction at all surfaces is \( 4 \mathrm{~N} \) to keep system at rest
(C) Maximum acceleration of \( 4 \mathrm{~kg} \) block is \( 2 \mathrm{~m} / \mathrm{s}^{2} \)
(D) Slipping between \( 4 \mathrm{~kg} \) and \( 5 \mathrm{~kg} \) blocks start when \( \mathrm{F} \) is \( 17 \mathrm{~N} \)
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