A box of weight $100 \mathrm{kN}$ shown in the figure is to be lifted without swinging. If all forces are coplanar, the magnitude and direction $(\theta)$ of the force $(F)$ with respect to x-axis should be

(A) $F=56.389 \mathrm{kN}$ and $\theta=28.28^{\circ}$

(B) $F=-56.389 \mathrm{kN}$ and $\theta=-28.28^{\circ}$

(C) $F=9.055 \mathrm{kN}$ and $\theta=1.414^{\circ}$

(D) $F=-9.055 \mathrm{kN}$ and $\theta=-1.414^{\circ}$

A box of weight $100 \mathrm{kN}$ shown in the figure is to be lifted without swinging. If all forces are coplanar, the magnitude and direction $(\theta)$ of the force $(F)$ with respect to x-axis should be

(A) $F=56.389 \mathrm{kN}$ and $\theta=28.28^{\circ}$

(B) $F=-56.389 \mathrm{kN}$ and $\theta=-28.28^{\circ}$

(C) $F=9.055 \mathrm{kN}$ and $\theta=1.414^{\circ}$

(D) $F=-9.055 \mathrm{kN}$ and $\theta=-1.414^{\circ}$

1 Answer

127 votes

$F=56.389 \mathrm{kN}$ and $\theta=28.28^{\circ}$

127 votes

127