Question

determine the normal force, shear force, and moment at point c. take that ( p = 12 mathrm{kn} ) and ( m = 31 mathrm{kn} cdot mathrm{m} ). (figure 1) part c determine the moment at point c. express your answer to three significant figures and include the appropriate units.

Explanation:

Step1: Analyze the moment at point C

The moment at point C is composed of two parts: the moment \(M\) and the moment caused by the force \(P\).
The moment caused by the force \(P\) is \(P\times d\), where \(d = 1.5\space m\) (the distance from point C to the line of action of force \(P\)).
The formula for the moment at point C is \(M_C = M - P\times1.5\)

Step2: Substitute the values

Given \(P = 12\space kN\) and \(M = 31\space kN\cdot m\)

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Answer:

\(13\space kN\cdot m\)