Solution 2-1 and 2-2 Engineering Mechanics Statics R.C Hibbeler 14th

If θ = 60 and F = 450 N, determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis.

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2.1 If θ = 60 and F = 450 N, determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis.

SOLUTION

Diagram Benda Bebas (DBB)

Solution

The parallelogram law of addition and the triangular rule are shown in Figs. a and b, respectively.

Ans:

FR = 497 N

θ = 155

2–2. If the magnitude of the resultant force is to be 500 N, directed along the positive y axis, determine the magnitude of force F and its direction θ.