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A particle acted upon by forces \( \vec{F}_{1}, \vec{F}_{2} \) and \( \vec{F}_{3} \) is in
P equilibrium. Angle between \( \vec{F}_{1} \) and \( \vec{F}_{2} \) is \( 85^{\circ} \), angle

W between \( \vec{F}_{1} \) and \( \vec{F}_{3} \) is \( 175^{\circ} \). Angle between \( \vec{F}_{2} \) and \( \vec{F}_{3} \) is
(1) \( 100^{\circ} \)
(2) \( 120^{\circ} \)
(3) \( 130^{\circ} \)
(4) Depends on magnitudes of the forces
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