When a Crate of Mass M Is Dragged a Distance

question 16

Multiple Choice

When a crate of mass m is dragged a distance d along a surface with coefficient of kinetic friction μ_k, then dragged back along the same path to its original position, the work done by friction is

• A) 0.
• B) −μ_kmgd.
• C) +μ_kmgd.
• D) −2μ_kmgd.
• E) +2μ_kmgd.

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Definitions:

Individuation

A process of psychological growth in which an individual becomes distinct and differentiated from the collective norms or the collective unconscious.

Opposites

In psychology, "opposites" can refer to contrasting or antithetical concepts, behaviors, or personality traits that exist in relation to each other.

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Feeling uncertain or lacking confidence in oneself, often reflecting in various aspects of life including relationships.

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