Find support reactions at A and B and then calculate the axial force N. shear force J and bending moment M at mid-span of AB. Let L = 14 ft. q0 = 12 lb/ft. P = 50 lb. and = 300 lb-ft.
You need to calculate support reactions at
The external reaction forces are
Given Information:
You have a beam with different types of loading as shown in figure below.
Figure 1 It is given that,
Calculation:
To find external support reaction forces, draw free body diagram as shown in figure below.
Figure 2: Free body diagram for external reactions Take equilibrium in
Take equilibrium of moments about point
Take equilibrium in
To find internal forces at mid span of AB, draw the following free body diagram.
Figure 3 Free body diagram for internal forces Now take left hand side free body diagram.
Take equilibrium in
Take equilibrium in
Take equilibrium of moments about point
Conclusion:
Thus the external reaction forces are
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