A F -L₂- C B
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.3P: Convert the following: (a) 400lbft to knm; (b) 6m/s to mi/h; (c) 20lb/in.2 to Pa; and (d)...
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Question
Part A - Force with a known deflection
The square bar shown (Figure 1) is 2.7 in.in. thick and 13 ftft long and is fixed supported at both ends. A load directed leftward is applied at point C, as shown, L2 = 11 ftft from the left end. The modulus of elasticity is E = 1.5×104 ksi .If point C moves δ= 6×10−3 in.in. to the left, what is the applied force?
Part b
Consider a new structure, where the thickness of the bar is reduced to 1.35 in.in. from C� to B� (it is still square) (Figure 2) and x=11ft. If the applied load is F� = 115 kipkip , then what is the reaction at A�? Let a positive reaction act to the right. The total length is still 13 ftft .
Transcribed Image Text:A
F
-L₂-
C B
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