A 50-Kg Object Is Pulled Along a Horizontal Surface at a a Constant

question 47

Multiple Choice

A 5.0-kg object is pulled along a horizontal surface at a constant speed by a 15-N force acting 20° above the horizontal. How much work is done by this force as the object moves 6.0 m?

• A) 78 J
• B) 82 J
• C) 85 J
• D) 74 J
• E) 43 J

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Definitions:

Objective Function

A mathematical function used in optimization to define the goal of the solver, such as minimizing costs or maximizing profits.

Fabricating Department

A specialized part of manufacturing where products are assembled, shaped, or otherwise fabricated from raw materials.

Net Profit

The amount of money left over after all operating expenses, taxes, and costs have been subtracted from total revenue.

Binding Constraint

A limitation or restriction within an optimization problem that holds equality at the optimal solution; it actively influences the solution of the problem.