Q2 point C? Determine the resultant of forces system shown in Figure and locate it with respect to F1=380 KN F2=20 kN F3=30 kN F4-80 kN 9m 8m 2 m 4 m
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- Find the internal force systems acting on sections 1 and 2.The intensity of the line loading acting on a quarter circle is w=w0(2/). Use intergration to determine the resultant of the loading and its line of action.The two forces are applied to the end of the boom OA. Determine the force F so that the resultant of the two forces lies in the yz-plane.
- The center of gravity of the 850-N man is at G. If the man pulls on the rope with a 388-N force, determine the horizontal distance b between the man's feet and G.The bent rod is supported at points A, B and C by smooth journal bearings, and is subjected to force F. If dimensions a = 2.3 m, b = 1.5 m, c = 0.6 m, and d = 2.5 m, and the force F is {-2i + 9j - 3k} kN, determine the magnitude of the moment (in kN⋅m) caused by force F about point A. Answer must include 2 places after the decimal point.For the following structure, determine the internal forces at the midpoint between B and C. Angle ? is equal to 60°.
- The 7m by 9m building slab is subjected to 4 parallel loads. Determine the force F equivalent to this 4 force system, and its point of application.Fx and Fy are the components of F parallel and perpendicular to the sloping surface of the inclined plane (as shown in the figure). Which statement about the components of the gravitational force that the Earth exerts on the crate is correct? a. The x- and y-components areboth positive. b. The x-component is zero and y-component is positive. c. The x- component is zero and ycomponent is negative. d. The x- and y-components areboth negative.the vertical post is secured by three cables. the cables are pre-tensioned so that the resultant of the cable forces f, q, and p is directed along the z-axis. if f = 120 lb, find p and q. ans. p = 74.3lb, q = 69.9l
- Three chains act on the bracket in such a way as to generate a resultant force of 2224 N. If two of the chains are subjected to known forces (P1 and P2) as shown in the figure, determine the orientation Ѳ of the third chain, measured clockwise, from the positive x axis, so that the magnitude of the force, F, on this chain is minimal. All forces lie in the x - y plane. What is the magnitude of F? TIP: First find the resultant of the two known forces, the force F acts in this direction. Note: P1 = 400 lb and P2 = 300 lbQ2: Determine the magnitude of forces FA and FB acting on each chain in order to develop a resultant force of 600 N. directed along the positive Y-axis. FB FA 30°From the 3D-truss figure. Determine the following. 5. Force AD. 6. Force CD. 7. Force BD.