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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 R.C. Hibbeler_14th

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.

2-1 R.C. Hibbeler_14th

SOLUTION

Diagram Benda Bebas (DBB)

2-1 R.C. Hibbeler_14th

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

Solution 2-1 R.C. Hibbeler_14th

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.

Solution 2-2 R.C. Hibbeler_14th

SOLUTION

Diagram Benda Bebas (DBB)

Solution 2-2 R.C. Hibbeler_14th

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

Solution 2-2 R.C. Hibbeler_14th



Ans:
FR = 960 N
θ = 45.2
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