A 5200-Kg Cable Car in Hong Kong Is Pulled a Distance

question 27

Multiple Choice

A 5200-kg cable car in Hong Kong is pulled a distance of 360 m up a hill inclined at 12^o from the horizontal. The change in the potential energy of the car is

• A) 1.8 x 10⁷ J
• B) 1.2 x10⁷ J
• C) 3.8 x10⁶ J
• D) 6.0 x10⁷ J
• E) 1.8 x 10⁶ J

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Definitions:

Secondary Groups

Larger and more impersonal than primary groups. Compared with primary groups, social interaction in secondary groups creates weaker emotional ties, extends over a shorter period, involves a narrow range of activities, and results in most group members having at most a passing acquaintance with one another.

Impersonal

Lacking warmth or personal interest; characterized by an objective, neutral attitude that does not consider personal feelings or relationships.

Primary Groups

Are groups whose members agree upon norms, roles, and statuses without putting them in writing. Social interaction leads to strong emotional ties, extends over a long period, involves a wide range of activities, and results in group members knowing one another well.

Sociology Class

A course that studies the development, structure, and functioning of human society.