PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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The 4-lb collar is compressed against a spring a distance of 6 inches and then releasedfrom rest. The spring can be considered elastic and has a constant of k = 10 lb/in. Thespring is not adhered to the collar, and can be considered massless, so it will notextend into tension.
Plot the acceleration of the collar as a function of x for x = 0 to 7 inches.What is the velocity as the collar leaves the spring?
The collar is given a speed v₁ = 5 m/s to the left at position A. What is its speed at B? The guide is
smooth so that the collar is not subject to any friction. The unstretched length of the spring is R = 1.2
m and the spring constant is k = 500 N/m. (15 points).
The 5-lb collar slides on the smooth rod, so that when
it is at 4 it has a speed of 10 ft/s. If the spring to
which it is attached has an unstretched length of 3 ft.
and a stiffness of k = 10 lb/ft, determine the normal
force on the collar and the acceleration of the collar at
this instant.
Solution:
2 ft
10 ft/s
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