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statics and mechanics of materials 2 edition (Riley) 솔루션

[솔루션] statics and mechanics of materials 2 edition 정역학과 재료역학 2판 솔루션 저자 : William F. Riley, Leroy D. Sturges, Don H. Morris 저 출판사 : WILEY 1장부터 11장까지 솔루션입니다.

Preface
General Principles
Concurrent Force Systems
Equilibrium: Concurrent Force Systems
Stress, Strain, and Deformation: Axial Loading
Equivalent Force/Moment Systems
Equilibrium: Rigid and Deformable Bodies
Torsional Loading: Shafts
Flexural Loading: Stresses in Beams
Flexural Loading: Beam Deflections
Combined Static Loading
Columns
Appendix A: Tables of Properties
Answers to Selected Problems
Index.~STATICS AND MECHANICS OF MATERIALS, 2nd Edition

RILEY, STURGES AND MORRIS

Chapter 1
1-1 Calculate the mass m of a body that weighs 600 lb at the surface of the earth. SOLUTION

m
1-2

W g

600 18.63 slug .................................................... Ans. 32.2

Calculate the weight W of a body at the surface of the earth if it has a mass m of 675 kg. SOLUTION

W
1-3

mg

675 9.81

6.62 10 3 N 6.62 kN .................................. Ans.

If a man weighs 180 lb at sea level, determine the weight W of the man (a) At the top of Mt. McKinley (20,320 ft above sea level). (b) At the top of Mt. Everest (29,028 ft above sea level). SOLUTION

W
Therefore: where (a)

Gme m re2 Wh rh2 Gme m 2.092032 10 7 ft
2 2

W0 r02 r0 rh r0 h 2.090 10 7 Wh W0 r02 rh2

2.090 10 7 ft 2.0320 10 4

180 2.090 10 7 2.092032 10 7 2.9028 10 4

179.7 lb ...................................... Ans. 2.0929028 10 7 ft

(b)

rh

r0

h 2.090 10 7 Wh W0 r02 rh2

180

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