The figure shows a sign, fabricated from thin, uniform, flat, stainless-steel bars with a weight per unit length of 5 lb/in. A thin rod, AB, and a pin, C, keeps this sign up. a. Find the total weight of the sign and the location of the sign's center of gravity. b. Determine the force along the member AB and the support reactions at pin C that keep the sign in static equilibrium. Also identify if AB is in tension or compression. 10 in 10 in 3 in 8 in A B 10 in 18 in

The figure shows a sign, fabricated from thin, uniform, flat, stainless-steel bars with a weight per unit length of 5 lb/in. A thin rod, AB, and a pin, C, keeps this sign up. a. Find the total weight of the sign and the location of the sign's center of gravity. b. Determine the force along the member AB and the support reactions at pin C that keep the sign in static equilibrium. Also identify if AB is in tension or compression. 10 in 10 in 3 in 8 in A B 10 in 18 in

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.59P: The weight of the uniform bar AB is W. The stiffness of the ideal spring attached to B is k, and the...

See similar textbooks

Similar questions

Find the smallest value of P for which the crate in the Prob. 4.34 will be in equilibrium in the position shown. (Hint: A rope can only support a tensile force.)
The bar ABC is supported by three identical, ideal springs. Note that the springs are always vertical because the collars to which they are attached are free to slide on the horizontal rail. Find the angle at equilibrium if W = kL. Neglect the weight of the bar.
The homogeneous plate of weight W is suspended from two cables. Determine the force P that is necessary to keep the plate in the position shown.
Find the magnitude of the pin reaction at B caused by the weight W=80lb. Neglect the weights of the members.
Compute the magnitude of the pin reaction at B. Neglect the weights of the structural members.
The figure shows the FBD of a portion of the space truss shown in Fig. P5.25. Use this FBD to find the force in member BD.
The homogeneous plate of weight W is supported by a ball-and-socket joint at D and three wires. Draw the FBD of the plate and count the unknowns.
The weight of the uniform bar AB is W. The stiffness of the ideal spring attached to B is k, and the spring is unstretched when =80. If W=kL, the bar has three equilibrium positions in the range 0, only one of which is stable. Determine the angle at the stable equilibrium position.
Find the vertical force P that will hold the linkage in the position =40. The spring of stiffness k=3kN/m is unstretched when =0. The length of each link is L=200mm. Neglect the weights of the links.
The figure shows a three-pin arch. Determine the horizontal component of the pin reaction at A caused by the applied force P.
Find the force P required to (a) push; and (b) pull the 80-lb homogeneous roller over the 3-in. curb.
The homogeneous 80-kg sign is suspended from a ball-and-socket joint at O, and cables AD and BC. Determine the forces in the cables.