A Child Pulls a 3

question 18

Multiple Choice

A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes an angle 30.0° above horizontal. The tension in the rope is 5.00 N. Assuming the acceleration of gravity is 9.81 m/s², what is the coefficient of friction between the sled and the ground?

• A) 0.161
• B) 0.188
• C) 0.0441
• D) 0.0851
• E) 0.103

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Definitions:

Memory

The cognitive function that allows individuals to store, retain, and recall information and experiences.

Adversities

Difficult or unpleasant situations and experiences that may pose challenges to individuals or communities.

Wisdom

The ability to apply knowledge, experience, understanding, and common sense in a considered and judicious way, often associated with insight and good judgment.

Great Depression

A severe worldwide economic downturn that lasted from 1929 to the late 1930s, marked by massive unemployment, bank failures, and a significant reduction in economic activity.