Spring stiffness is defined as__________________?
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Answer: B. load required to produce unit deflection
Explanation
Spring stiffness is defined as the magnitude of load required to produce unit deflection. Dividing the applied load by the resulting deflection yields the spring rate or stiffness constant. A stiffer spring requires a larger force to achieve the exact same amount of displacement. Helical springs store mechanical energy elastically when compressed or extended by external forces. Spring design parameters include wire diameter, coil diameter, and total active coil count. Hooke law establishes the linear relationship between applied force and spring deflection.
Automotive suspension springs are rated by stiffness to ensure proper ride height and comfort. Industrial scale mechanisms rely on calibrated spring stiffness for accurate weight measurement. Mechanical engineers calculate spring rates to ensure components operate within elastic limits. The ratio of coil diameter to wire diameter is the spring index rather than stiffness. Storing energy describes overall resilience or capacity rather than the specific stiffness rate. Absorbing shocks is a general functional application rather than the mathematical definition of stiffness.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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