## Related questions with answers

Question

Determine the vertical displacement of point E. Each member has a cross-sectional area of 4.5 ${in}^2$. $E=29\left(10^3\right) \mathrm{ksi}$. Use the method of virtual work.

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 16**The given values are:**

$\begin{aligned} A &= 4.5\ \mathrm{in^2} \hspace{2 cm} &E & = 29 \cdot 10^3\ \mathrm{ksi}\\\\ h &= 6\ \mathrm{ft} \hspace{2cm} &b &= 8\ \mathrm{ft}\\ \end{aligned}$

In order to solve this problem using the method of virtual work, we have to **determine the virtual and the real forces of the truss by using the method of joints.** Kowing this, we will be able to **use the virtual-work equation** and determine the vertical displacement of point E needed.

Therefore, we have to draw a free-body diagram for determining these forces.

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