Concept explainers
(a)
Check the given frame is unstable, statically determinate, or statically indeterminate. Find the degree of static indeterminacy in case of the frame is statically indeterminate.
(b)
Check the given frame is unstable, statically determinate, or statically indeterminate. Find the degree of static indeterminacy in case of the frame is statically indeterminate.
(c)
Check the given frame is unstable, statically determinate, or statically indeterminate. Find the degree of static indeterminacy in case of the frame is statically indeterminate.
(d)
Check the given frame is unstable, statically determinate, or statically indeterminate. Find the degree of static indeterminacy in case of the frame is statically indeterminate.
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Chapter 5 Solutions
Structural Analysis
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- ER THREE Resultants of Coplanar Force Systems כ Section 3.3 Moment of a Force 55 3.29 The four forces shown have parallel lines of action. Member AB is perpendicular to the lines of action of these forces. (a) Determine the moment of each force with respect to point A. (b) Compute the algebraic summation of the moments with respect to point A. Be sure to note the sense of the resul- tant moment. PROBLEM 3.29 20 lb 40 lb 5' 50 lb 8' 30 lb B 3.30 Three coplanar concurrent forces act as shown. (a) Calculate the moment of each force about point O that tion of the Fi force.arrow_forwardThe truss structure in Figure P8.82 represents part of a bridge. Assume that the structural components are connected by pin joints and that the entire structure is free to slide horizontally at each end. Assume furthermore that the mass of the structure is negligible compared with the load it must support. In this situation, the force exerted by each of the bars (struts) on the pin joints is either a force of tension or one of compression and must be along the length of the bar. Calculate the force in each strut when the angle = 30° and the bridge supports a w = 9100 N load at its center. Strut AB N of -Select--- Strut AC N of -Select--- Strut BC N of -Select-- Strut BD N of -Select-- Strut CD N of ---Select--- Strut CE N of Select-- Strut DE N of -Select--- Load: weight W D e C 50 m Figure P8.82arrow_forward4.1 Draw the free body diagram and determine the reaction forces of the following Truss. 4.2 Draw the free body diagram and determine the reaction forces of the following beam with both a uniformly distributed force and a moment.arrow_forward
- 2. The vertical force P of magnitude 150 Ib is applied to the frame shown in Fig. (a). Resolve P into components that are parallel to the members AB and AC of the truss. 73° B P 28° (a)arrow_forwarda. the location of the centroidb. moment of inertia with respect to the topmost sidec. moment of inertia with respect to the horizontal centroidal axisarrow_forwardF2 F3 Let F = 12N, F2 = 50N and 8 = 139°. %3D %3D a) Find the magnitude F3 so that the resultant FR of the three forces is parallel to F1.arrow_forward
- A force P of magnitude 520lb acts on the frame shown at point E. Determine the moment of P about a line joining O & D ->(OD)arrow_forwardExpress the force as a Cartesian vector.arrow_forwardA force P of magnitude 330 lb acts on the frame shown at point E. (a) Determine the rectangular representation of Force Vector P. (b) Determine the moment of P about point O. (c) Determine the moment of P about a line joining points O and D.arrow_forward
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