Shear Stress and Strain: the Base of an Aluminum Block

question 10

Multiple Choice

Shear stress and strain: The base of an aluminum block, which is fixed in place, measures 90 cm by 90 cm, and the height of the block is 60 cm. A force, applied to the upper face and parallel to it, produces a shear strain of 0.0060. The shear modulus of aluminum is 3.0 × 10¹⁰ N/m². What is the displacement of the upper face in the direction of the applied force?

• A) 3.0 mm
• B) 3.6 mm
• C) 4.2 mm
• D) 4.8 mm
• E) 5.4 mm

---

Definitions:

Affective Forecasting

The process of predicting one’s emotional reactions to future events or outcomes, often with inaccuracies concerning the intensity and duration of emotional responses.

Emotional Reactions

The affective responses to stimuli or events, which are influenced by individual experiences, temperament, and cognitive appraisals.

Future Events

Any occurrences or situations that have not yet happened but are anticipated to occur.

Ostracism

The act of excluding or ignoring someone from a group or society, often used as a form of social punishment.