Your Friend Applies a Horizontal Force to Your 2

question 58

Multiple Choice

Your friend applies a horizontal force to your 2.0-kg physics textbook, holding it stationary against a vertical wall. The static and kinetic friction coefficients between the book and the wall are 0.20 and 0.15, respectively. With what force must your friend push on the book in order for it not to slip down the wall?

• A) 39 N
• B) 20 N
• C) 19.6 N
• D) 25 N
• E) 98 N

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Definitions:

Correlational Research

A method of study that examines the relationship or association between two or more variables without inferring a causal connection.

Archival Data

Information collected and stored in archives, including documents, records, and datasets that are used for research or reference.

External Validity

The extent to which the findings of a study can be generalized to other settings, populations, and times beyond the study conditions.

Independent Variable

A variable that is manipulated or changed in an experiment to see if it has an effect on the dependent variable.