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:

Appraisers

Professionals who assess the value of properties, artworks, antiques, and other items of value.

Degrees Of Freedom

The number of independent values in a statistical calculation that are free to vary when estimating some parameter.

Interaction

In statistics, the way two or more variables are related in such a manner that the effect of one variable on an outcome is dependent on the level or value of another variable.

Significance Level

A threshold in hypothesis testing used to determine if the null hypothesis should be rejected, commonly denoted as alpha (α).