Question

Part A Determine the forces in members AB and CB of the truss, and state if the members are in tension or compression. Set θ:00 (Figure 1) Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression. FAB-FOBValue Units Figure 1 of 1 Submit Request Answer Part B 3 kN Determine the force in member AD of the truss, and state if the member is in tension or compression. 15 m Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression. 2 m 4 KN FADValue Units Part C Determine the force in member BD of the truss, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression. Units Submit Request Answer Part D Determine the force in member CD of the truss, and state if the member is in tension or compression Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression. Units Submit Request Answer

Answer 1

Step 1.

Findthe reaction forces developed at the supports by using equilibrium equations

Step 2.

Draw the free body diagram at each and every joint and write the force equations

Step 3.

Find the forces in each and every member

Step 4.

Table the forces and members according to sign convention

Please refer the upload document

Let RA ster i

7 FAIE. FAp Rc)

Ar 4. 1681 4168 FAR: Fet FAD: Fo,A o ' Fc f-c