hw27 - ~r Problem 7.146 7.146 The rosette shown has been...

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Unformatted text preview: ~r.;;,' Problem 7.146 7.146 The rosette shown has been used to determine the following strains at a point , on the surface of a crane hook: a = +420 x 10‘6 in./in. 62 = —45 x 10'6 in./in. 64 = +165 x 10‘ in./in. (a) What should be the reading of gage 3? (b) Determine the principal strains and the maximum in-plane shearing strain. (Mat/“gt”? £1 -, [17,. i (":5 asbmuj 1.755%5‘68’61{nr‘fya‘tfwfifil 94‘!“ [is .1 _ " “.1 act; 1 ‘67” (:93 1/3551- :9 em [35%, gigs}? 9m {35 55135 1 " S 9- 9V“, 1% 5 y’5 p 7.152 A single gage is cemented to a solid 4-in.-diameter steel shaft at an angle ,8 = 25° with a line parallel to the axis of the shaft. Knowing that G = 11.5 x 106 psi, determine the torque T indicated by a gage reading of 300 X 10'6 in./in. Draw ’Hne Maitr\s Lira/0e 'Fow s‘l’vatiutr _.’fo i2—2C‘7 N Eg’ = 12 Sim 3 gin Qfl '5 3&0/3’ : :[91 = - XGEXI i Butt—J in J .7763 — Sb.“ E T; m- “(1)3(H.5x[0‘)(300x[0'6) Sim 5% ’ sch 55° : //3-2 >403 IL} I T '5 HER lap-Eu / «16:? ...
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