The Angle of Rotation Between the Ends of a Nylon $0.15 \mathrm{~m}$

question 3

Short Answer

The angle of rotation between the ends of a nylon bar is 3.5 °. The bar diameter is 70 mm and the allowable shear strain is 0.014 rad. The
Minimum permissible length of the bar is approximately: (A) $0.15 \mathrm{~m}$
(B) $0.27 \mathrm{~m}$
(C) $0.40 \mathrm{~m}$
(D) $0.55 \mathrm{~m}$

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Definitions:

Opponent Process Theories

A group of theories, often applied to color vision and emotional responses, suggesting that elements are paired in a system where the activation of one element inhibits the activity of the opposite element.

Trichromatic Theory

A theory of color vision proposing that the human eye perceives color through the relative rates of response by three types of cones, each sensitive to different wavelengths of light.

Afterimage

A visual image or illusion that continues to appear in one's vision after the exposure to the original image has ceased.

Opponent Process Theory

A psychological and neurological model that explains how the perception of colors is the result of opposing responses between two sets of color receptors in the eyes.