Elizabeth Lifts a 10 N Book from the Floor to the Table

question 17

Multiple Choice

Elizabeth lifts a 10 N book from the floor to the table, a height of 2 m. How much work does Elizabeth do?

• A) 5 joules
• B) 5 watts
• C) 20 watts
• D) 20 joules
• E) Elizabeth does zero work

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Definitions:

Financial Advantage

The benefit obtained by a business from its financial decisions and strategies.

Fixed Manufacturing Overhead

Costs related to manufacturing that do not change with the level of production, such as salaries of supervisors and rent for factory space.

Contribution Margin

The difference between sales revenue and variable costs of production, indicating how much revenue contributes towards covering fixed costs and generating profit.

Financial Advantage

The benefit or superiority that a business holds over its competitors in financial terms, such as higher profit margins or lower costs.