In the arrangement shown in figure the wall is smooth and friction coefficient between the blocks is $μ = 0.1$ . A horizontal force F = 100N is applied on the 2 kg block. The correct statement(s) is/are

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Both the blocks accelerate downward with acceleration g

The normal interaction force between the blocks is 100 N

Both the blocks remain at rest

The friction force between the blocks is zero

answer is A, B, C.

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Detailed Solution

Since the blocks cannot accelerate in horizontal direction therefore the normal interaction force between the blocks as well as between 5 kg block and the wlll is F = 100 N. Again both the blocks accelerate downward with acceleration $\vec{g} m / s^{2}$ and therefore the relative acceleration between the blocks is zero. Hence the friction force between the blocks is zero. Hence the friction force between the blocks is zero.

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