A Locomotive Is Pulling a Number of Identical Wagons Along

question 84

Multiple Choice

A locomotive is pulling a number of identical wagons along a level track and accelerating. Friction is negligible. Starting from the last wagon, the ratio of the forces between adjacent wagons is

• A) 1:2:3:4 . . .
• B) 1:2:4:8 . . .
• C) 1:3:5:7 . . .
• D) . . .
• E) 1:1:1:1 . . .

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Definitions:

Middle-Class

A social group between the upper and working classes, including professionals, business people, and others with moderate income.

Black Working-Class

The Black working-class refers to members of the Black community engaged in manual or industrial labor, often focusing on economic and social challenges faced by this group.

Poor

Individuals or populations that lack financial resources and essentials for a minimum standard of living.

Poverty Line

The minimum level of income deemed necessary to achieve an adequate standard of living in a given country, used to identify those living in poverty.