A) \[10\,N,15\,N\]
B) \[20\,N,30\,N\]
C) \[2\,N,3\,N\]
D) \[5\,N,6\,N\]
Correct Answer: B
Solution :
[b] Friction force \[=f=28.2\cos 45{}^\circ =28.2\times \frac{1}{\sqrt{2}}=20N\] Normal reaction \[R=50-28.2\sin 45{}^\circ =30N\]You need to login to perform this action.
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