The A-frame is being hoisted into an upright position by the vertical force of 62 lb . (Figure 1)
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- The homogeneous bar AB weighs 25 lb. Determine the magnitudes of the forces acting on the bar at A and B. Neglect friction.Find the stable equilibrium position of the system described in Prob. 10.56 if m = 2.06 kg.PROBLEM 4: The boom OC is subjected to tension forces at A and C. It is known that the tension in A is 26 kN and at C is 12 kN. Unit vector CE. (ANSWER: -0.38i-0.87j+0.32k) Tension at A. (ANSWER: 13.20i-15.8j+15.8k kN VECTOR COMPONENT FORM) Moment about O due to the given forces. (ANSWER: 78.71i+0j+3.2k kN VECTOR COMPONENT FORM)
- Force P is applied as shown on the 13.5 mm thick plate. P = 100 kN. Holes are oversized causing all rivets to always proportionately react to load applied on the plate. 1. Which of the following most nearly gives the force in rivets if P is applied at the centroid of four(rivets)? a. 50 kN b. 30 kN c. 25 kN d. 40 kN 2. Which of the following most nearly gives the force in rivets if only moment equals P times e is applied at the centroid of four(rivets)? a. 12.567 kN b. 10.451 kN c. 32.672 kN d. 17.678 kN 3. Which of the following most nearly gives the maximum force in rivets due to combined effect of P and torque? a. 42.28 kN b. 40.93 kN c. 39.53 kN d. 37.34 kN 4. Considering shearing in bolts, what is the minimum required diameter if allowable shearing stress in bolts is Fv/2, Fv = 372 MPa a. 27.34 mm b. 14.53 mm c. 16.45 mm…Topic: Couples, Resultant of Force Systems & Equilibrium If F1 = 10N, F2 = 15N, F3 = 8N, F4 = 10N, F5 = 18N, and the length of te side of a red square is 1m. Calculate magnltude (+ for CCW, - for CW) of the resuItant moment (N-m) about point A. Calculate the magnitude of the reItant f0rce (N). (Answer: 50.80Nm, 20.33N)Determine the algebraic sum of the moments of forces relative to a point in F = 10.0 N; m =9.0 Nm, q =8.0 N/m
- Q4: of a car غطاء محرك The i Jul. The bonnet is held open at an angle of 60° to the horizontal by a vertical force V applied at one end of the bonnet (shown on the diagram). The long, has a weight of 25 N and its center diagram shows the open bonnet bonnet is 0.90 m of gravity G is 0.35 m from the hinge at O. 1) On the diagram, draw and label the two forces other than V acting on the bonnet. By taking moments about A, Proof that the vertical 2) force V applied at the end of the bonnet is 9.7 N. 3) Calculate the magnitude of the force acting at the hinge ON.SITUATION 7: Three forces P1, P2, and P3 are acting on a semi-circular structure as shown in Fig. THA-33. Support at A is hinge and support at B is roller. Given: a = 1 m; P1 = 1.8 kN; P2 = 0.9 kN; P3 = 0.45 kN; θ = 30⁰; β = 45⁰. Calculate the resultant of the three forces (in kN). (Answer: 2.45) Calculate the vertical reaction at B (kN). (Answer: 1.06) Calculate the reaction at A. (Answer: 1.63)The weight of the base is negligible What is the moment of the weight of Part G3 about Point A? What is the moment of the weight of Part G3 about Point B? Are the two moments equal? Explain
- Passing an exploratory section through the body and exposing the internal forces acting on the exploratory section. Mxy represents torsional moment about y-axis. True of FalsePassing an exploratory section through the body and exposing the internal forces acting on the exploratory section, Mxy represents Torsional Moment about x-axis.The three-bar truss in Fig. a is subjected to a horizontal force of 5 kip. If the cross-sectional area of each member is 0.20 in2, determine the horizontal displacement at point B. E = 29(103) ksi.