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Applying NLM along 3 Axis

Two blocks ar...

Question

Two blocks are kept in contact as shown in figure. Find contact force between two blocks.

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Solution

F.B.D. of 20 kg block,

$N_{2} = 50 s i n 30^{\circ} + N_{3}$

$\Rightarrow N_{3} = 100 - 25 = 75 N$

and $N_{4} = 50 c o s 30^{\circ} + 20 g$

$N_{4} = 243.30 N$

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