In the arrangement shown in figure, coefficient of friction between...

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In the arrangement shown in figure, coefficient of friction between the two blocks is \( \mu=\frac{1}{2} \). The
\( \mathrm{P} \) force of friction acting between the two blocks is \( \left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right) \)
(1) \( 8 \mathrm{~N} \)
(2) \( 10 \mathrm{~N} \)
(3) \( 6 \mathrm{~N} \)
(4) \( 4 \mathrm{~N} \)
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