Consider two helical springs with the following characteristics: Spring 1: materialsteel; number of turns- 10 ; mean
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Consider two helical springs with the following characteristics:
Spring 1: material—steel; number of turns- 10 ; mean coil diameter \(-0.3 \mathrm{~m}\); wire diameter\(0.05 \mathrm{~m}\); free length- \(0.4 \mathrm{~m}\); shear modulus- \(80 \times 10^{9} \mathrm{~Pa}\).
Spring 2: material-aluminum; number of turns- 10 ; mean coil diameter- \(0.25 \mathrm{~m}\); wire diameter \(-0.025 \mathrm{~m}\); free length- \(0.4 \mathrm{~m}\); shear modulus \(-24 \times 10^{9} \mathrm{~Pa}\).
Determine the equivalent spring constant when
(a) spring 2 is placed inside spring 1 , and
(b) spring 2 is placed on top of spring 1 .
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