Swing Set: v v v 19 b c d 10in 27in 16in 27in Ra ? w (lb/in) VV e f top bar 10 in Rf 个 2001b 20016 weight of adult sitting Rin T > t = 0.25 in goin Given: • • Swing Set made of steel rated to load capacity of 440 lbs Top bar is treated as a static problem total length = 90 in Louter diameter = 2 in wall thickness = 0.25 in • The 2 people on the swing are not moving just sitting. ↳ each weigh 200 lb • Supports on either side (1) provide only upward reaction force • Self- - weight of the steel beam is a constant weight per unit volume ↳ y = 0.25 16/in³ , хз X4 4 Χς ·w=0.3436b/in cut 1 Cut 2 cut 3 cut'y cuts 100lb Ra = 215 16 1001b 10016 100 lb Re NS I Cut 1 (0 < x < 10 in) ↑ {wx, 215.416 1) M(x1) (Vx₁) Cut 2 (0 2x2 427 in) w(10+82) b a ↑ ↓ 215-41b 1001b +10+ in ·27 in JM(x2) √(x2) > x2 cut 3 (0 < x 34 16 in) 54(x3+37) a b ↓ c 100 16 215-416 1001b Ho+27+ > x3 ↓5 M(x(3) V(23) Cut 5 (0 < x <27in) SW (R 5+ 10) Cut 4 (0 < x < 10 in) (wxy ные v(x4) хи '215.4 lb مرد M(x5) √(25) Exs 10016 10 215.416 in

Swing Set: v v v 19 b c d 10in 27in 16in 27in Ra ? w (lb/in) VV e f top bar 10 in Rf 个 2001b 20016 weight of adult sitting Rin T > t = 0.25 in goin Given: • • Swing Set made of steel rated to load capacity of 440 lbs Top bar is treated as a static problem total length = 90 in Louter diameter = 2 in wall thickness = 0.25 in • The 2 people on the swing are not moving just sitting. ↳ each weigh 200 lb • Supports on either side (1) provide only upward reaction force • Self- - weight of the steel beam is a constant weight per unit volume ↳ y = 0.25 16/in³ , хз X4 4 Χς ·w=0.3436b/in cut 1 Cut 2 cut 3 cut'y cuts 100lb Ra = 215 16 1001b 10016 100 lb Re NS I Cut 1 (0 < x < 10 in) ↑ {wx, 215.416 1) M(x1) (Vx₁) Cut 2 (0 2x2 427 in) w(10+82) b a ↑ ↓ 215-41b 1001b +10+ in ·27 in JM(x2) √(x2) > x2 cut 3 (0 < x 34 16 in) 54(x3+37) a b ↓ c 100 16 215-416 1001b Ho+27+ > x3 ↓5 M(x(3) V(23) Cut 5 (0 < x <27in) SW (R 5+ 10) Cut 4 (0 < x < 10 in) (wxy ные v(x4) хи '215.4 lb مرد M(x5) √(25) Exs 10016 10 215.416 in

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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pls use this number as values 200201
The material is a spring wire has a shear modulus of 1.2 x 107 lbf/in2. The maximum allowable stress under design conditions is 50,000 lbf/in2. The spring index is 7. Assume the maximum stress is experienced when a 700 lbm object falls from a height of 46 in above the tip of the spring, impacts squarely on the spring, and deflects the spring 10 in. Determie:1. The minimum wire diameter is most nearlyA. 0.58 in B. 0.88 in C. 1.4 in D. 1.8 in2. The mean coil diameter is most nearlyA. 8.6 in B. 10 in C. 13 in D. 16 in3. The number of active coils is most nearlyA. 8 B. 11 C. 12 D. 14
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