A Trough Is Filled with a Liquid of Density $855 \mathrm {~kg} / \mathrm { m } ^ { 3 }$

question 112

Multiple Choice

A trough is filled with a liquid of density $855 \mathrm {~kg} / \mathrm { m } ^ { 3 }$ . The ends of the trough are equilateral triangles with sides $8 \mathrm {~m}$ long and vertex at the bottom. Find the hydrostatic force on one end of the trough.

• A) \(8.36 \times 10 ^ { 5 } \mathrm {~N}\)
• B) \(5.36 \times 10 ^ { 5 } \mathrm {~N}\)
• C) \(6.36 \times 10 ^ { 5 } \mathrm {~N}\)
• D) \(7.36 \times 10 ^ { 5 } \mathrm {~N}\)
• E) \(4.36 \times 10 ^ { 5 } \mathrm {~N}\)

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Definitions:

Income Statement

A financial report that shows a company's revenues, expenses, and profit or loss over a specific period.

Contribution Margin Ratio

The percentage of each sales dollar that remains after deducting variable costs, calculated as contribution margin divided by sales.

Net Operating Income

The profit of a business after operating expenses are subtracted from gross income.

Break-even Point

The production level or sales volume at which total revenues equal total expenses, resulting in no net profit or loss.