Q3 A steel wire (E=195 GPa) of diameter d=1.20mm is bent around a pulley of radius Ro= 540 mm as shown in Fig.2 (a) What is the maximum stress in the wire? (b) By what percent does the stress increase or decrease if the radius of the pulley is increased by 20% ? Ro Fig. 2: Wire bent around a pulley

Q3 A steel wire (E=195 GPa) of diameter d=1.20mm is bent around a pulley of radius Ro= 540 mm as shown in Fig.2 (a) What is the maximum stress in the wire? (b) By what percent does the stress increase or decrease if the radius of the pulley is increased by 20% ? Ro Fig. 2: Wire bent around a pulley

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter9: Time, Temperature, And Mechanical Properties

Section: Chapter Questions

Problem 9.3P

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Question

Q3 A steel wire (E=195 GPa) of diameter d=1.20mm is bent around a pulley of radius Ro=
540 mm as shown in Fig.2
(b) By what percent does the stress increase or decrease if the radius of the pulley is
increased by 20% ?
(a) What is the maximum stress in the wire?
Ro
Fig. 2: Wire bent around a pulley

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