A Force of 10

question 21

Multiple Choice

A force of 10.0 N is applied to a wire with an unstretched length of 4.00 m and a diameter of 5.00 mm. The wire changes length by 1.20 mm as a result of the applied force. What is the stress on the wire?

• A) 3.67 × 10⁵ N/m².
• B) 4.19 × 10⁵ N/m².
• C) 4.67 × 10⁵ N/m².
• D) 5.09 × 10⁵ N/m².
• E) 6.55 × 10⁵ N/m².

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Definitions:

Framing

The way information is presented to us which can influence our decisions and judgments.

Functional Fixedness

A cognitive bias that limits a person to using an object only in the way it is traditionally used.

Restructuring

Thinking about a problem in a new way in order to solve it.

Using Analogies

The process of explaining a concept or idea by comparing it with something else that is more familiar or easier to understand.