(b) Figure Q2(b) shows that the truss supports loads at point C and E. If the value of F = 3 kN, calculate the axial forces in members BC and BE.

Determine the force in each member of the loaded truss. The forces are positive if in tension, negative if in compression. Assume F = 2210 N, a = 2.5 m, b = 5.0 m, 0 = 43° B A Ө a Ө C b Ө F D

Given the truss below, take F₁ = 8kN, F₂= 4kN, L= 1.5m, h=2m. Use the Method of Sections. 0 21 (T) 20 (T) 5 (C) 20 (C) 5 (T) F₂ 21 (C) F₁- E A F Using a single equation of equilibrium, the force in KN in member BC. is mostly near_ LL D C TRID B h

The truss is composed of equilateral triangles of side a = 2.6 m. The load is L = 160 N. Determine the forces in members BC and CG. The forces are positive if in tension, negative if in compression. A 30° G a B E 30° D

Problem 3 Classify each of the trusses below as statically determinate, statically indeterminate, or unstable. If indeterminate, specify the degree of indeterminacy. Hint: consider using the method of sections with a vertical section next to the vertical force P to explore if the trusses are unstable. nhinhnh (b) P (a) P P (c)

For the truss shown below, applied loads are PB = 73 kN, PC = 36 kN and PD = 15 kN. Using the sign convention 'tension positive', select the correct answer for the axial force in member GH in kN: A F G B PB O 1. The axial force in member GH is -60 kN. O 2. The axial force in member GH is -78 kN. O 3. The axial force in member GH is -67.1 kN. 4@3m= 12m H Pc J D PD K E 4m

1. A pin-connected truss composed of members AB and BC is subjected to a vertical force P = 40 kN at joint B (see figure). Each member is of constant cross- sectional area: AAB = 0.004 m² and ABC =0.002 m². The diameter d of all pins is 20 mm, clevis thickness t is 10 mm, and the thickness 1 of the bracket is 15 mm. Determine the normal stress acting in each member and the shearing and bearing stresses at joint C. Fc Clevised ends 2 m A 1.5 m P=40 kN

I have the answers below. I only need the solution.

Show all work. 1. 4 ft The truss system is loaded as shown. Assume that supprts A and K are both anchored frictionless pins. a. Is the truss stable and statically determinate? Show work. b. K c. d. Find the support reactions at A and K. Hint: what do we know about ideal truss members that lets us find all of the support reactions. Identify any obvious zero force members and state why each is. If none, state none. Using the method of joints only, find the forces in all other truss members, and indicate whether each is in compression or tension. H B C T-311-13 f₁0f ft- 1500 lb E -3 ft--3 ft--3 ft--3 ft- D 1500 lb F I

Using the method of joints, determine the force in each member of the roof truss shown. Take the load P = 1.4 kN. (Round the final answers to a single decimal place.) 6 m- 2.4 kN B 9 m 6 m 2.4 kN O 6 m 9 m The force in member DF (FDF) is 0. The force in member EF (FEF) is The force in member AB (FAB) is The force in member AC (FAC) is The force in member BC (FBC) is The force in member BD (FBD) is The force in member CD (FCD) is The force in member CE (FCE) is The force in member DE (FDE) is P 7.5 m kN. (Compression) kN. (Compression) KN. (Tension) kN. (Compression) kN. (Compression) kN. (Tension) kN. (Tension) kN. (Compression)