A 50-N Crate Is Pulled Up a 5

question 13

Multiple Choice

A 50-N crate is pulled up a 5.0-m inclined plane by a worker at constant velocity.If the plane is inclined at an angle of 37° to the horizontal and there exists a constant frictional force of 20 N between the crate and the surface,what is the force applied by the worker?

• A) zero
• B) 50 N
• C) 30 N
• D) 40 N

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Definitions:

Cost of Goods Sold

The costs directly associated with manufacturing the products a company sells, such as materials and labor expenses.

Contribution Margin

The amount of revenue from sales that exceeds variable costs, indicating how much contributes to covering fixed costs and generating profit.

Fixed Costs

Expenses that do not change with the level of production or sales activity, such as rent and salaries.

Traceable Fixed Expense

Fixed expenses that can be directly linked to a specific department, project, or segment within a company.