(Solved): Determine the vertical displacement of joint E measured downward. Use the method of vir ...

Determine the vertical displacement of joint $E$ measured downward. Use the method of virtual work. Express your answer to three significant figures and include the appropriate units. Enter positive X Incorrect; Try Again; 3 attempts remaining Consider the truss shown in (Figure 1). For each member $A=240{\mathrm{mm}}^2,E=200\mathrm{GPa}$.