(Solution) Statics and Mechanics of Materials 2nd William F. Riley 2판 솔루션 다운

(Solution) Statics and Mechanics of Materials 2nd William F. Riley 2판 솔루션 다운

자료문서 (압축문서).zip

(Solution) Statics and Mechanics of Materials 2nd William F. Riley 2판 솔루션

재료 및 기계역학 2판, 윌리암 F. 라일리의 솔루션

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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