The Figure Shows a Uniform, Horizontal Beam (Length = 10

question 24

Multiple Choice

The figure shows a uniform, horizontal beam (length = 10 m, mass = 25 kg) that is pivoted at the wall, with its far end supported by a cable that makes an angle of 51° with the horizontal. If a person (mass = 60 kg) stands 3.0 m from the pivot, what is the tension in the cable?

• A) 0.83 kN
• B) 0.30 kN
• C) 0.38 kN
• D) 0.42 kN
• E) 3.0 kN

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Definitions:

Economic Production

The process of creating goods and services through the combination of labor, land, and capital.

Superstructure

In Marxist theory, the cultural, ideological, and institutional structures built upon the economic base (infrastructure) of a society.

Capitalist Accumulation

The process by which capitalists generate wealth and expand their capital through reinvestment of profits.

Exchange Value

The worth of a good or service determined by the amount of other goods or services for which it can be traded or sold.