Q1\ The screw eye in Figure is subjected to two forces, F1 and F2. Determine the angle B for the force F1 so that the resultant R of the system will be 100N with angle 30° from x-axis (2.5 mark) $F_2 = 75N$ $R = 100N$ $F_1 = 71.5N$
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$F_{1x} = F_1 \cos B$ $F_{1y} = F_1 \sin B$ $F_{2x} = F_2 \cos 15^\circ = 75 \cos 15^\circ$ $F_{2y} = F_2 \sin 15^\circ = 75 \sin 15^\circ$ The resultant force R has components: $R_x = 100 \cos 30^\circ$ $R_y = 100 \sin 30^\circ$ Show more…
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Nishant K.
Two forces act on the screw eye. If $F_{1}=400 \mathrm{N}$ and $F_{2}=600 \mathrm{N},$ determine the angle $\theta\left(0^{\circ} \leq \theta \leq 180^{\circ}\right)$ between them, so that the resultant force has a magnitude of $F_{R}=800 \mathrm{N}$
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