A) \[\frac{W}{2}\]
B) \[W\]
C) \[\frac{W}{\sqrt{3}}\]
D) \[\frac{W}{2\sqrt{3}}\]
Correct Answer: D
Solution :
[d] \[2N\cos 30{}^\circ =W.\] \[N=\frac{W}{\sqrt{3}}\] \[\text{and }N\sin 30{}^\circ =F\] \[\text{or }\frac{W}{\sqrt{3}}\times \frac{1}{2}=F,\text{ or F=}\frac{W}{2\sqrt{3}}.\]You need to login to perform this action.
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