When \( \mathrm{F}=2 \mathrm{~N} \), the frictional force between \( 10 \mathrm{~kg} \) block an...

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When \( \mathrm{F}=2 \mathrm{~N} \), the frictional force between \( 10 \mathrm{~kg} \) block and \( 5 \mathrm{~kg} \) block is
(A) \( 2 \mathrm{~N} \)
(B) \( 15 \mathrm{~N} \)
(C) \( 10 \mathrm{~N} \)
(D) None
\( \mathrm{P} \)
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