Consider the frame shown. Suppose that F1 = 830 N . A) Determine the magnitude of the reaction at pin A. FA = ? B) Determine the magnitude of the reaction at pin B. FB = ? C) Determine the magnitude of the reaction at pin C on CB. FC = ?

Question 5 a) The truss structure in Figure Q4 is supported at A and D with downward vertical load Fi acting at joint E and a downward vertical load F2 acting at joint C. The length of each truss member AB, BE, BC, CD and CF is 1.25 m. If F, 95 KN and F 225 kN, determine the reaction force Ra and Ro at the supports A and D. Give your answers in kilonewtons (kN) to two decimal places. F1 F2 Figure Q4 b) For the truss structure in Figure Q4, determine the forces FAE. FAs and For acting in members AE, AB & CF and clearly state if each member is in compression or in tension. Give your answers in kilonewtons (kN) to two decimal places. c) A solid homogeneous truss tie-rod has a diameter of 9.52 mm and an original length of 1.75 m experiences a stress of 600 MPa when placed under tension. If the material used for the truss tie-rod has a Young's Modulus, E, of 5.8 x 10" N/m², calculate: () the tie-rod's extension in millimetres (mm): (4) the strain energy (U) in Joules; and () the strain…

4.8 m 2. The frame shown below is loaded with an unknown horizontal force, P. At point E, the surface exerts a force of 130 lb. on the roller. a) Draw and label all the reactions and forces acting on the frame and on the individual components, using the diagrams provided on the back of this handout. b) Determine the magnitude of the force, P, required for the frame to be in equilibrium. c) Determine the x- and y- components of the force acting at point C on member CDE, and specify the directions (→, +, t. 1). Note: For each calculation, state which diagram number (1, 2, 3, 4) you are using. Ans: P = 80 lb, C = 100 lb , C, = 75 lb 1 (by the way, FBC = 125 lb (T)) 4 in. 8 in. C 3 in. В 6 in. 1 3

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The pin, attached to member BCD, passes through a smooth slot in member AB Take w = 120 lb/ft. A)Determine the components of the reaction at support A. B)Determine the reaction at support C C)Determine the components of the reaction at support D.

Question 4. Consider the diagram below, which is not to scale. R A A Ym Reaction at A: RA= = Reaction at B: RB X KN = 6m Given that X = 45 kN and Y = 5 m calculate the reactions at support A and B. Enter your answers in kN correct to three significant figures in the appropriate boxes below. KN B KN R B

3.2) What is the magnitude of the reaction BX? (Note: the force to be measured in N)

a) P1=13 kN and P2= 6.5 kN. Compute reaction at B. b)P1=13 kN and P2= 6.5 kN. W= 27.5 kN is applied at D. Compute reaction at B and compute for member CD c)

In the diagram below shows a truss structure which is subjected to an applied load and supported by joints namely pin and rollers. A) draw the fbd of the given truss system in the diagram below and solve for the unknown  support reactions

The rod is supported by ball-and-socket joint D and cables AB, AC as shown in (Figure 1). Suppose that F = 450 N and x = 7 m.  Determine  A) The tension in the cable AB.  B) The tension in the cable AC.  C) The x, y, and z components of reaction at support D using scalar notation.