F 1-87 The steel swivel bushing in the elevator control of an airplane is held in place using a nut and washer as shown in Fig. (a). Failure of the washer A can cause the push rod to separate as shown in Fig. (b). If the maximum average nor- mal stress for the washer is omax 60 ksi and the maximum average shear stress is Tmax= 21 ksi, determine the force F that must be applied to the bushing that will cause this to happen. The washer is in. thick. 0.75 in. (a) ZO (b) A
F 1-87 The steel swivel bushing in the elevator control of an airplane is held in place using a nut and washer as shown in Fig. (a). Failure of the washer A can cause the push rod to separate as shown in Fig. (b). If the maximum average nor- mal stress for the washer is omax 60 ksi and the maximum average shear stress is Tmax= 21 ksi, determine the force F that must be applied to the bushing that will cause this to happen. The washer is in. thick. 0.75 in. (a) ZO (b) A
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:F
1-87 The steel swivel bushing in the elevator control of an
airplane is held in place using a nut and washer as shown in
Fig. (a). Failure of the washer A can cause the push rod to
separate as shown in Fig. (b). If the maximum average nor-
mal stress for the washer is omax = 60 ksi and the maximum
average shear stress is Tmax = 21 ksi, determine the force F
that must be applied to the bushing that will cause this to
happen. The washer is in. thick.
0.75 in.
(a)
ZO
(b)
A
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