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A block of weight \( \mathrm{W} \) is kept in equilibrium by two
\( \mathrm{P} \)
forces \( \mathrm{P} \) and \( \mathrm{Q} \) as shown in the figure. Which of the
W
following give the condition for the block to be in equilibrium?
(1) \( \mathrm{W}=\mathrm{P} \tan \theta \)
(2) \( \mathrm{W}=\mathrm{P} \cot \theta \)
(3) \( \mathrm{W}=\mathrm{Q} \sin \theta \) and \( \mathrm{P}=\mathrm{Q} \cos \theta \)
(4) \( \mathrm{P}=\mathrm{Q} \sin \theta \) and \( \mathrm{W}=\mathrm{Q} \cos \theta \)
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