A 30 kN weight is supported by means of a pulley as shown in the figure. The pulley is supported by the frame ABC. Find the required cross-sectional areas for members AC and BC if the allowable stress in tension is 140 000 kN/m² and in compression, determined by the method of Chapter 13, is 96 000 kN/m². Ans. 306 mm². 1-20.

A 30 kN weight is supported by means of a pulley as shown in the figure. The pulley is supported by the frame ABC. Find the required cross-sectional areas for members AC and BC if the allowable stress in tension is 140 000 kN/m² and in compression, determined by the method of Chapter 13, is 96 000 kN/m². Ans. 306 mm². 1-20.

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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Question

A 30 kN weight is supported by means
of a pulley as shown in the figure. The pulley is
supported by the frame ABC. Find the required
cross-sectional areas for members AC and BC if
the allowable stress in tension is 140 000 kN/m²
and in compression, determined by the method of
Chapter 13, is 96 000 kN/m². Ans. 306 mm².
1-20.
2.4 m
1.8 m
25 mm diam
2.40 m
30 kN
B

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