A force P of 70N is applied by a rider to the front hand brake of a bicycle (P is the resultant of an evenly distributed pressure). As the hand brake pivots at A, a tension T develops in the 460- mm long brake cable (Ae = 1.075 mm2) which elongates by 6 =0.214 mm. Find normal stress o and strain ɛ in the brake cable. Hand brake pivot A Brake cable, L = 460 mm 37.5 mm/A) P (Resultant of distributed pressure) 50 mm Uniform hand -100 mm brake pressure

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A force P of 70 N is applied by a rider to the front hand brake of
a bicycle (P is the resultant of an evenly distributed pressure).
As the hand brake pivots at A, a tension T develops in the 460-
mm long brake cable (Ae = 1.075 mm2) which elongates by 6
=0.214 mm. Find normal stress o and strain ɛ in the brake
cable.
Brake cable, L = 460 mm Hand brake pivot A
37.5 mm/ A
P (Resultant
of distributed
pressure)
50 mm
Uniform hand
-100 mm
brake pressure
Transcribed Image Text:A force P of 70 N is applied by a rider to the front hand brake of a bicycle (P is the resultant of an evenly distributed pressure). As the hand brake pivots at A, a tension T develops in the 460- mm long brake cable (Ae = 1.075 mm2) which elongates by 6 =0.214 mm. Find normal stress o and strain ɛ in the brake cable. Brake cable, L = 460 mm Hand brake pivot A 37.5 mm/ A P (Resultant of distributed pressure) 50 mm Uniform hand -100 mm brake pressure
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