A Force of 20 N Is Applied to a Wire

question 57

Multiple Choice

A force of 20 N is applied to a wire with an unstretched length of 2.5 m. The wire gets 2.00 mm longer. The strain in the wire is

• A) 2.0 × 10^-4.
• B) 4.0 × 10^-4.
• C) 6.0 × 10^-4.
• D) 8.0 × 10^-4.
• E) 10 × 10^-4.

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Definitions:

Standards

Agreed-upon principles or benchmarks used to measure or judge quality or performance.