A 30-Kg Block Moves Up a 40° Incline with Constant Speed

question 54

Multiple Choice

A 3.0-kg block moves up a 40° incline with constant speed under the action of a 26-N force acting up and parallel to the incline. What magnitude force must act up and parallel to the incline for the block to move down the incline at constant velocity?

• A) 14 N
• B) 12 N
• C) 16 N
• D) 18 N
• E) 25 N

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Definitions:

Net Income

The total profit of a business after subtracting all expenses from total revenues.

Operating Income

The profit realized from a business's operations after deducting operating expenses such as wages, depreciation, and cost of goods sold.

Inventory Turnover

A financial ratio that measures the number of times a company’s inventory is sold and replaced over a specific period, reflecting the efficiency of inventory management.

Cost of Goods Sold

Cost of Goods Sold (COGS) is an accounting term representing the direct expenses related to the production of items sold by a company, including materials and labor.