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:

Utility Function

An economic model that describes how consumers rank different bundles of goods according to the levels of satisfaction or utility those bundles provide.

Horizontal Axis

In a graph or chart, the horizontal line along which the values of one variable are plotted or measured.

Vertical Axis

In graphing data, this is the y-axis, which is typically used to measure the dependent variable or show the scale of values in a chart.

Utility Function

A mathematical representation of how consumer preferences over a set of goods and services are ranked.