A force of $40$ $N$ acts on a point $B$ at the end of an $L$-shaped object, as shown in the figure. The angle $\theta $ that will produce maximum moment of the force about point $A$ is given by :

Question

$\tan \theta = {1 \over 2}$

$\tan \theta = 2$

$\tan \theta = 4$

$\tan \theta = {1 \over 4}$

Solution

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