1. The cord AB has a length of 5 m and is attached to the end B of the spring having a stiffness k = 10 N/m.The other end of the spring is attached to a roller C so that the spring remains horizontal as it stretches. If a10 N weight is suspended from B, determine the necessary un-stretched length of the spring, so that = 40°for equilibrium.5 m5 m5 m-wwwk = 10 N/m

Answered: 1. The cord AB has a length of 5 m and…

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 10.50P

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Determine the unstretched length of spring AC if a force P = 801b causes the angle 8 = 60 ° for equilibrium. Cord AB is 2 ft long. Take k = 50 lb / ft.
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