In figure, the bar is uniform and weighing \( 500 \mathrm{~N} \). How large \( \mathrm{P} \) mus...

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In figure, the bar is uniform and weighing \( 500 \mathrm{~N} \). How large
\( \mathrm{P} \) must \( W \) be if \( T_{1} \) and \( T_{2} \) are to be equal?

W
(1) \( 500 \mathrm{~N} \)
(2) \( 300 \mathrm{~N} \)
(3) \( 750 \mathrm{~N} \)
(4) \( 1500 \mathrm{~N} \)
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