Timothy A. Philpot - Mechanics of materials _ an integrated learning system-John Wiley (2017)

P13.63 (a) Db = 1.272 mm,
Dc = 0.254 mm
(b) σ x = −14.15 MPa
P13.65 DL = −28.4 mm
P13.67 e x = 2,210 me,
e y = −7,190 me,
γ xy = 3,160 mrad
Chapter 14
P14.1 σ t = 1.193 MPa
P14.3 pmax ≤ 1.214 MPa
P14.5 (a) σ t = 73.0 MPa
(b) p = 2.47 MPa
P14.7 (a) σ hoop = 96.5 MPa
(b) p ≤ 3.24 MPa
P14.9 (a) h = 7.12 m
(b) σ long = 0
P14.11 (a) σ n = 76.8 MPa(T)
(b) τ =−23.8 MPa
P14.13 pallow = 150.5 psi
844
nt
P14.15 p = 1.880 MPa
P14.17 (a) p = 2.24 MPa
(b) τ abs max = 111.9 MPa
(c) τ = 113.0 MPa
abs max
P14.19 (a) σ n = 4,210 psi(T)
(b) τ = 938 psi
nt
(c) τ = 2,900 psi
absmax
P14.21 (a) e x = 158.6 me ,
e y = 782 me,
γ = 0 mrad
xy
(b) e a = 270 me,
e = 671 me
b
(c) σ n = 38.7 MPa,
σ t = 59.8 MPa
(d) τ = 12.57 MPa
nt
P14.23 (a) σ θ = 171.2 MPa
(b)
σ = θ
96.2 MPa
(c) τ = 123.1 MPa
max
P14.25 (a) σ θ = 186.5 MPa
(b) D d = 0.213 mm
P14.27 tmin ≥ 0.764 in.
P14.29 pmax = 2,280 psi
P14.31 Tube: σ r = −8,100 psi,
σ θ = −29,200 psi
Jacket: σ r = −8,100 psi,
σ θ = 28,900 psi
P14.33 (a) δ = 0.1342 mm
(b) σ θ = 338 MPa
Chapter 15
P15.1 (a) σ p1 = 2,810 psi,
σ p2 = −5,920 psi,
τ max = 4,360 psi,
θ p = −55.4° (to σ p1 ) or
θ p = 34.6° (to σ p2 )
P15.3 (a) e x = 134.0 me, e y = −45.6 me,
γ xy = 1,444 mrad
(b) e p1 = 772 me, e p2 = −683 me
(c) γ abs max = 1,455 mrad
P15.5 σ p1 = 5,970 psi,
σ p2 = −4,950 psi,
τ max = 5,460 psi
P15.7 (a) σ p1 = 32.1 MPa,
σ p2 = −14.04 MPa,
τ max = 23.1 MPa,
θ p = 33.5° (to σ p1 )
P15.9 (a) e = −110.9 me
(b) T = 328 N · m
P15.11 (a) σ n = −7.11 MPa
(b) τ nt = −53.7 MPa
(c) σ p1 = 26.4 MPa,
σ p2 = −93.1 MPa,
τ max = 59.7 MPa,
θ p = 28.0° (to σ p1 )
P15.13 σ p1 = 73.2 MPa,
σ p2 = −27.5 MPa,
τ max = 50.4 MPa,
θ p = 31.5° (to σ p1 )
P15.15 (a) σ p1 = 3.81 ksi,
σ p2 = −9.59 ksi,
τ max = 6.70 ksi
(b) σ p1 = 7.35 ksi,
σ p2 = −5.50 ksi,
τ max = 6.43 ksi
(c) σ p1 = 12.41 ksi,
σ p2 = −2.94 ksi,
τ max = 7.68 ksi
P15.17 P x = 11.57 kips, P y = 2.40 kips
P15.19 (a) e = 84.5 me
(b) e = −106.9 me
(c) e = −274 me
P15.21 σ p1 = 87.7 MPa,
σ p2 = −21.8 MPa,
τ max = 54.7 MPa,
θ p = 26.5° (to σ p1 )
P15.23 σ p1 = 6.80 MPa,
σ p2 = −0.262 MPa,
τ max = 3.53 MPa,
θ p = −11.10° (to σ p2 )
P15.25 σ p1 = 7.81 MPa,
σ p2 = −44.8 MPa,
τ max = 26.3 MPa,
θ p = −22.7° (to σ p1 )
P15.27 σ y = −22.1 MPa,
τ xy = 33.3 MPa
P15.29 σ x = 2,280 psi,
τ xz = 1,295 psi
P15.31 σ x = 31.1 MPa,
τ xz = 2.10 MPa
P15.33 (a) σ y = −5,820 psi,
τ xy = 6,960 psi
(b) σ y = −8,330 psi,
τ yz = −2,440 psi
P15.35 (a) σ z = −9,880 psi,
τ xz = 186.7 psi
(b) σ z = −7,840 psi,
τ yz = 235 psi
P15.37 σ p1 = 2.50 MPa,
σ p2 = −54.4 MPa,
τ max = 28.5 MPa
P15.39 σ p1 = 421 psi,
σ p2 = −12,240 psi,
P15.41 σ p1 = 37.3 MPa,
σ p2 = −37.3 MPa,
τ abs max = 37.3 MPa