Solve the Problem $26.6 \mathrm { lb }$ From Rolling Down a Ramp Inclined

question 15

Multiple Choice

Solve the problem.
-What is the minimum force required to prevent a ball weighing $26.6 \mathrm { lb }$ from rolling down a ramp inclined $12.4 ^ { \circ }$ with the horizontal?

• A) \(26 \mathrm { lb }\)
• B) \(13 \mathrm { lb }\)
• C) \(5.7 \mathrm { lb }\)
• D) \(2.9 \mathrm { lb }\)

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Definitions:

Demand Schedule

A demand schedule is a table that shows the quantity of goods or services demanded at different price levels.

TR

Total Revenue, which is the total income generated from the sale of goods or services.

TC

Total cost, which is the sum of all costs incurred by a firm in the production of goods or services.

Economic Profit

The variance between sales income and the alternative costs of the inputs needed.