15. Given a front hand brake of a bicycle. The applied force, P = 70 N and the equivalent area and length of the cable is 1.02 mm² and 460 mm respectively. If the elongation of the cable is found to be 0.225 mm, find the normal stress in the cable. Brake cable, L= 460 mm 37.5 mm 50 mm Hand brake pivot A P (Resultant of distributed pressure)
15. Given a front hand brake of a bicycle. The applied force, P = 70 N and the equivalent area and length of the cable is 1.02 mm² and 460 mm respectively. If the elongation of the cable is found to be 0.225 mm, find the normal stress in the cable. Brake cable, L= 460 mm 37.5 mm 50 mm Hand brake pivot A P (Resultant of distributed pressure)
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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Transcribed Image Text:15. Given a front hand brake of a bicycle. The applied force, P = 70 N and the equivalent area and length of the
cable is 1.02 mm² and 460 mm respectively. If the elongation of the cable is found to be 0.225 mm, find the
normal stress in the cable.
a.
137
b. 153
Brake cable, L= 460 mm
a. 782
b. 784
37.5 mm/A
50 mm
Hand brake pivot A
-100 mm-
C.
d.
168
195
P (Resultant
of distributed
pressure)
16. How much should an 80-kg person weigh (in Newtons) if he is on top of Mt. Kilimanjaro, which is at 5890 m
above sea level? The mass and radius of the earth are 5.9742 x 1024 kg and 6378 km, respectively. Use a
universal gravitational constant of 6.67 x 10-¹1 m³/kg-s²
C.
786
d. 788
Uniform hand
brake pressure
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