Question

Part A Set Pi -6 kN and P2 11 kN. (Figure 1) Determine the force in member AB, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. kN AB Previous Answers Request Answer Figure XIncorrect; Try Again; 2 attempts remaining Part B Determine the force in member AF, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate unlts. Enter negative value in the case of compression and positive value in the case of tension. FAF = -19.0 kN us Ansvw Correct Part C Set P -6 kN and P2 11 kN. (Figure 1) Determine the force in member BC, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. kN BC = Previous Answers Request Answer Figure 1 of 1 Incorrect Try Again; One attempt remaining Part D Determine the force in member BE, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. FBB= 1 Value Units Request Answer Part E Set P1 -6 kN and P2 11 kN. (Figure 1) Determine the force in member BF, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. FRValue Units Submit Request Answer Figure 1 of 1 Part F Deterrmine the force in membar CD, and state if the member is in tension or compression. Express your answer to three signlficant figures and include the appropriate units. Enter negative value In the case of compresslon and positive value in the case of tension. FcValue Units 1 m Submit Part G Set Pi 6 kN and P2 11 kN . (Figure 1) Determine the force in member CE, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. FCE Value Units Submit Figure 1 of 1 ▼ Part H Determine the force in member DE, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. Value Units Submit Request Answer Part Set P -6 kN and P2 11 kN. (Figure 1) Determine the force in member EF, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. FEF= 1 Value Units Submit Request Answer Figure

Answer 1

In above questions, basically we want to calculate force in all members so that first of all calculate the reactions at supports by using 3 equlibequil equations then calculate the force in member by using the method of joints for easy calculation as below:

rn Ax rn 21K. 仆メ呰。 0

A F A0 AF (3435 -13.0 KN FAB + 95 (-13) Cel (63 435)-。 O P : -25K AF

EF - 25 -. s (63.435)- 0 F 用)t i..n+ B : BF BE 8 Ge C.D

in 63.A35)1- o 19.298 KN in mom bers: DE = 12.998 kd(T)