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Two blocks are kept in contact as shown ...

Two blocks are kept in contact as shown in figure. Find ( a) forces exerted by surfaces ( floor and wall ) on blocks ( b) contact force between two blocks.

Text Solution

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F.B.D. of 10 kg block

`N_(1)=10g=100N" " . . . . . . . . . . (1)`
`N_(2)=100N" " . . . . . . . . (2)`
F.B.D of 20kg block

`N_(2)=50sin30^(@)+N_(3)`
`:." "N_(3)=100-25=75N . . . . . . . . . . .(3)`
and `N_(4)=50cos30^(0)+20g`
`N_(4)=243.30N`
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