Q4 Two steel springs attached together in series as shown in Fig. P4-11 support a load P. The upper spring has 15 turns of 20-mm diameter wire with a mean radius of 100 The lower spring consists of 12 turns of 15-mm diameter wire on a mean radius of 75 mm. If the maximum allowable shearing stress is 120 MPa, determine the maximum value of P and the total elongation of the springs. Use Eq.(3-10) mm. and G = 83 GPA-
Q4 Two steel springs attached together in series as shown in Fig. P4-11 support a load P. The upper spring has 15 turns of 20-mm diameter wire with a mean radius of 100 The lower spring consists of 12 turns of 15-mm diameter wire on a mean radius of 75 mm. If the maximum allowable shearing stress is 120 MPa, determine the maximum value of P and the total elongation of the springs. Use Eq.(3-10) mm. and G = 83 GPA-
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Q4 Two steel springs attached together in series as
shown in Fig. P4-11 support a load P. The upper spring has
15 turns of 20-mm diameter wire with a mean radius of 100
mm. The lower spring consists of 12 turns of 15-mm diameter
wire on a mean radius of 75 mm. If the maximum allowable
shearing stress is 120 MPa, determine the maximum value of
P and the total elongation of the springs. Use Eq-(3-10 )
and G83 GPA.
Fig.P4-11
P = 4 kN
Fig-P4-12
www.
15 mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F56a0d9b9-055c-43f1-93dc-8f89b11258d1%2F765c832c-b333-4903-aafe-e60846d5e85f%2F9f4mzg1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q4 Two steel springs attached together in series as
shown in Fig. P4-11 support a load P. The upper spring has
15 turns of 20-mm diameter wire with a mean radius of 100
mm. The lower spring consists of 12 turns of 15-mm diameter
wire on a mean radius of 75 mm. If the maximum allowable
shearing stress is 120 MPa, determine the maximum value of
P and the total elongation of the springs. Use Eq-(3-10 )
and G83 GPA.
Fig.P4-11
P = 4 kN
Fig-P4-12
www.
15 mm
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