A 20 Kg-Book Is on the Floor of an Elevator

question 59

Multiple Choice

A 2.0 kg-book is on the floor of an elevator. If the elevator is accelerating upward at a rate of , the normal force acting on the book by the floor is

• A) 2.0 N.
• B) 10 N.
• C) 20 N.
• D) 30 N.
• E) 40 N.

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Definitions:

Nuclear Family

A family unit consisting of two parents and their children, considered a traditional social unit.

Urbanization

The process by which cities grow and higher percentages of the population come to live in urban areas.

Polygamy

A marriage system in which an individual has more than one spouse simultaneously.

Spouse

A partner in a marital relationship, defined by a legal or customary bond.