wire - 15 mm R Wire clip 3. The figure shows a finger exerciser. It is based on torsion spring. The number of turns is 3 turn. The spring mean diameter is 30mm. The handle. 108 mm 84 mm modulus of elasticity E=210000 MPa. Its working range is 20 degree. If the human finger force is 5ON, calculate the suitable wire diameter. Then, calculate the bending stresses in this spring.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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wire-
15 mm R
Wire clip
3.
The figure shows a finger exerciser. It
is based on torsion spring. The number of turns is 3
handle.
turn. The spring mean diameter is 30mm. The
108 mm
84 mm
modulus of elasticity E=210000 MPa. Its working
range is 20 degree. If the human finger force is
F
50N, calculate the suitable wire diameter. Then,
calculate the bending stresses in this spring.
32Fr
4c? - с -1
K; =
4C(C – 1)
c=?
64M DN,
C =
o = K;-
nd
64FT DN,
d'E
d4E
Transcribed Image Text:wire- 15 mm R Wire clip 3. The figure shows a finger exerciser. It is based on torsion spring. The number of turns is 3 handle. turn. The spring mean diameter is 30mm. The 108 mm 84 mm modulus of elasticity E=210000 MPa. Its working range is 20 degree. If the human finger force is F 50N, calculate the suitable wire diameter. Then, calculate the bending stresses in this spring. 32Fr 4c? - с -1 K; = 4C(C – 1) c=? 64M DN, C = o = K;- nd 64FT DN, d'E d4E
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