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g) With different loading applied a free body diagram at joint C looks like the following;
The 20 kN and 15 kN forces represent the reaction forces at the support at C. A method of Joints at other joints reveals forces FBC = -10 kN (compression) and FCF= 6 kN (tension).
Calculate the value of the force FCH in kN? [2 marks]
Assume the same angles between all members as previously.
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