The internal forces in truss members are equal and opposite to the forces they exert on adjacent, contacting members.  As such, a truss member with an internal tensile force of T will exert a compressive force with a magnitude of T on a connecting member. Group of answer choices True False

A simply supported planar truss is subjected to point loads at joint B and D as shown in Figure 2. Based on the given truss, answer the following questions: a. Identify zero force member in the truss (if any). Provide the justification for your answer with the calculation. b. Using any suitable method, find force in members BC, HC and HG c. Is the force in member AH is similar in member FE? Provide your reason with the calculation. 5 kN 4 kN 13.27m A E H G F 5m 5m 5m - 5m

Question 4 For the truss shown in Figure 4, identify all zero-force members and show your reasoning. P K OF E P A B Figure 4

Pls help me find the strain by deformation

A small aluminum alloy [E = 71 GPa] tee shape is used as a simply supported beam as shown. For this beam, a = 120 mm. The cross- sectional dimensions of the tee shape are b = 17 mm, d = 26 mm, andt = 6 mm. After loads are applied to the beam at B, C, and D, a compressive normal strain of 460 µɛ is measured from a strain gage located at c = 10 mm below the topmost edge of the tee stem at section 1-1. What is the applied load P? P P ЗР Strain gage C |D H Answer: P = N

A plane truss is shown in the figure 1,200 N F 25° 480 N 480 N 6 @ 10.50 m 63.00 m What is the force in member AH in N?

Topic: Mechanics of Deformable bodies: Stress Answer with a complete solution

The truss is made from three pin-connected members having the cross-sectional areas shown in the figure. Determine the average normal stress developed in each member when the truss is subjected to the load shown. State whether the stress is tensile or compressive.

3. The figure shows a two-member truss supporting a block of weight W. The cross- sectional areas of the members are 700 mm² for AB and 450 mm² for AC. Determine the maximum safe value of W if the working stresses are 110 MPa for AB and 120 MPa for AC. B 3 12 4 5 W

The bars of the truss each have a crosS-sectional area of 1.15 in.2. If oy 30 ksi. for all of the truss members, what is the Factor of Safety for each member? If the F.S. is not greater than 2.2, redesign that member assuming bars can come with areas in increments on 0.25 in.2. Note: There are at least two members that the stress results in a F.S.< 2.2 and therefore must be redesigned. 4 ft 4 ft В E 8 kip 10 kip 3 ft