L₁ Rigid bar (1) Base E k D FIGURE P5.11
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...
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P5.11 The mechanism shown in Figure P5.11 consists of rigid bar ABC pinned at C to nylon [E = 200 ksi] rod (1), which has a diameter 0.25 in. and a length L1 = 14 in. The linear compression spring, which is placed between the base of the mechanism at E and a rigid plate at D, has a spring constant k = 940 lb/in. The base is rigid and fixed in position, and rigid bar ABC is horizontal before the load P is applied. Rod (1) is attached to plate D at the lower end of the spring. The nylon rod passes freely through the compression spring and through a hole in the base at E. Determine the value of load P that is needed to deflect end A downward by 2.0 in. Use dimensions a = 9.0 in., b = 3.0 in., and c = 5.0 in.

Transcribed Image Text:L₁
Rigid bar
(1)
Base
E
k
D
FIGURE P5.11
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