A Student Slides Her 80

question 28

Multiple Choice

A student slides her 80.0-kg desk across the level floor of her dormitory room a distance 2.00 m at constant speed. If the coefficient of kinetic friction between the desk and the floor is 0.400, how much work did she do?

• A)64.0 J
• B)1.57 kJ
• C)26.7 J
• D)628 J
• E)24.0 J

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Definitions:

Property, Plant, and Equipment

Tangible long-term assets used in the operation of a business, such as buildings, machinery, and equipment.

Standard Costs

The estimated costs of materials, labor, and overhead allocated to produce a product or perform a service under normal conditions.

Direct Labor-Hours

The total hours worked by employees who are directly involved in the production process.

Depreciation

The process of allocating the cost of a tangible asset over its useful life, representing the asset's consumption, wear and tear, or obsolescence.