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Three blocks of masses \( 4 \mathrm{~kg}, 2 \mathrm{~kg} \) and \( 1 \mathrm{~kg} \)
\( \mathrm{P} \) respectively are in contact on a frictionless table as

W shown in the figure. If a force of \( 14 \mathrm{~N} \) is applied on the \( 4 \mathrm{~kg} \) block, the contact force between the \( 4 \mathrm{~kg} \) and the \( 2 \mathrm{~kg} \) block will be
(1) \( 2 \mathrm{~N} \)
(2) \( 6 \mathrm{~N} \)
(3) \( 8 \mathrm{~N} \)
(4) \( 14 \mathrm{~N} \)
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