A bob of mass \( m \) is suspended by a light string as shown. The ...

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A bob of mass \( m \) is suspended by a light string as shown. The force applied by the string on the bob is
\( \mathrm{P} \) \( \vec{F} \) and weight of the bob is \( \vec{W} \) then which of the following expressions is correct?
W
(1) \( |\vec{W}|+|\vec{F}|=0 \)
(2) \( |\vec{W}|=\vec{F} \)
(3) \( \quad|\vec{W}+\vec{F}|=0 \)
(4) All of these
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