3-30. The 5-ft-long cord AB is attached to the end B of a spring having an unstretched length of 5 ft. The other end of the spring is attached to a roller C so that the spring remains horizontal as it stretches. If a 10-lb weight is suspended from B, determine the angle 8 of cord AB for equilibrium. 5 ft 5 ft A 8 5 ft B seess k = 10 lb/ft

3-30. The 5-ft-long cord AB is attached to the end B of a spring having an unstretched length of 5 ft. The other end of the spring is attached to a roller C so that the spring remains horizontal as it stretches. If a 10-lb weight is suspended from B, determine the angle 8 of cord AB for equilibrium. 5 ft 5 ft A 8 5 ft B seess k = 10 lb/ft

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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Question

3-30. The 5-ft-long cord AB is attached to the end B of a
spring having an unstretched length of 5 ft. The other end of
the spring is attached to a roller C so that the spring remains
horizontal as it stretches. If a 10-1b weight is suspended from
B, determine the angle 8 of cord AB for equilibrium.
5 ft
5 ft
A
8
5 ft
B
sesso
k= 10 lb/ft
C

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