A) \[30{}^\circ \]
B) \[45{}^\circ \]
C) \[60{}^\circ \]
D) \[90{}^\circ \]
Correct Answer: A
Solution :
\[F=Bil\sin \theta \Rightarrow \sin \theta =\frac{F}{Bil}=\frac{15}{2\times 10\times 1.5}=\frac{1}{2}\]Þ \[\theta =30{}^\circ \]
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