A Porthole on a Vertical Side of a Submarine (Submerged

question 15

Multiple Choice

A porthole on a vertical side of a submarine (submerged in seawater) is square . Find the fluid force on the porthole, assuming that the center of the square is feet below the surface.

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Definitions:

Learned Helplessness

A condition in which an individual learns to feel powerless and stops trying to change their situation due to repeated failures or a sense of lack of control.

Learned Optimism

A concept in positive psychology that suggests that a positive attitude can be developed through changing negative thought patterns.

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from a traumatic event or persistent failure to succeed, leading to a belief that one's actions have no effect on the environment.

Learned Optimism

The concept that optimism can be cultivated by changing negative thought patterns, thereby improving one's outlook on life and resilience to stress.