A) 40N
B) 30N
C) 20N
D) 10N
Correct Answer: C
Solution :
[c] \[T\text{ }cos\text{ }45{}^\circ =Mg\] \[\frac{T}{\sqrt{2}}=W\] \[W=\frac{30}{\sqrt{2}}=15\sqrt{2}(T=30N)\] \[W=20N\]You need to login to perform this action.
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