A 55-Kg Box Rests on a Horizontal Surface

question 82

Multiple Choice

A 55-kg box rests on a horizontal surface.The coefficient of static friction between the box and the surface is 0.30.A horizontal 140-N force is applied to the box.What is the friction force on the box?

• A)140 N
• B)160 N
• C)16.5 N
• D)0.00 N
• E)42 N

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Definitions:

Opportunity Cost

The amount of income forgone from an alternative to a proposed use of cash or its equivalent.

Differential Revenue

The difference in revenue between two alternative decisions or courses of action.

Course of Action

A plan or strategy that an organization or individual intends to follow to achieve a specific goal.

Alternative

An option or choice that serves as a substitute to a decision or course of action.