Problem 260
The effect of a certain non-concurrent force system is defined by the following data: ΣF_{x} = +90 kN, ΣF_{y} = -60 kN, and ΣM_{O} = 360 kN·m counterclockwise. Determine the point at which the resultant intersects the x-axis.

Solution 260

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$M_O = 360 \, \text{ kN}\cdot\text{m}$

$60a = 360$

$a = 6 \, \text{ m}$

The x-intercept is at 6 m to the left of the origin. answer

Problem 261
In a certain non-concurrent force system it is found that ΣF_{x} = -80 lb, ΣF_{y} = +160 lb, and ΣM_{O} = 480 lb·ft in a counterclockwise sense. Determine the point at which the resultant intersects the y-axis.

Solution 261

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$M_O = 480 \, \text{ lb}\cdot\text{ft}$

$80b = 480$

$b = 6 \, \text{ ft}$

The y-intercept of the resultant is 6 ft above the origin. answer