A force P of magnitude 90 lb is applied to member ACDE that is supported by a frictionless pin at D and by the cable ABE. Because the cable passes over a small pulley at B, the tension may be assumed to be the same in portions AB and BE of the cable. For the case when a = 3 in., determine (a) the tension in the cable, (b) the reaction at D.
A force P of magnitude 90 lb is applied to member ACDE that is supported by a frictionless pin at D and by the cable ABE. Because the cable passes over a small pulley at B, the tension may be assumed to be the same in portions AB and BE of the cable. For the case when a = 3 in., determine (a) the tension in the cable, (b) the reaction at D.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A force P of magnitude 90 lb is applied to member ACDE that is supported by a frictionless pin at D and by the cable ABE. Because the cable passes over a small pulley at B, the tension may be assumed to be the same in portions AB and BE of the cable. For the case when a = 3 in., determine (a) the tension in the cable, (b) the reaction at D.
Transcribed Image Text:The diagram illustrates a mechanical system involving a set of linkages arranged in a connected framework.
- The system consists of points labeled \(A\), \(B\), \(C\), \(D\), and \(E\).
- The blue lines represent linkages between these points.
- Point \(A\) is connected to \(B\) through a horizontal linkage measuring 5 inches.
- Point \(A\) also connects to point \(C\) via a horizontal linkage measuring 7 inches.
- There's a vertical distinction from point \(A\) up to point \(B\) facilitated by a pulley.
- Point \(E\) is vertically oriented above point \(D\) with an unspecified height \(a\) and a total height given as 12 inches.
- A red arrow labeled \(P\) indicates a force applied horizontally outward from point \(C\).
This setup is typically utilized to study the mechanical behavior of linkages, examining forces and motions within connected systems.
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