If You Sit on an Ordinary 4-Legged Chair, Which of the Following

question 28

Multiple Choice

If you sit on an ordinary 4-legged chair, which of the following is true?

• A)As long as you know your weight and the point at which it acts on the chair, you can calculate the forces exerted by all four chair legs on the floor.
• B)As long as you know your weight and the point at which it acts on the chair, you can calculate the forces exerted by all four chair legs on the floor, but only if your own feet are not also on the floor.
• C)This is an indeterminate situation, and the forces of the chair legs on the floor cannot be uniquely calculated.
• D)This is an indeterminate situation, and the forces of the chair legs on the floor cannot be uniquely calculated without knowing how your weight is distributed on the chair.
• E)This is an indeterminate situation, and the forces of the chair legs on the floor cannot be uniquely calculated without knowing how the chair deforms due to your weight.

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Definitions:

Expected Marginal Benefit

The additional benefit perceived by a consumer or producer from consuming or producing one more unit of a good or service.

Expected Marginal Cost

Refers to the anticipated increase in cost for producing one additional unit of a good or service.

Macroeconomics

The study of the economic behavior of entire economies, as measured, for example, by total production and employment.

Chinese Economy

The economy of China, characterized by its large size, rapid growth, and transition from a centrally planned economy to a more market-oriented system.