A Box of Mass M Is Pulled with a Constant

question 15

Multiple Choice

A box of mass m is pulled with a constant acceleration a along a horizontal frictionless floor by a wire that makes an angle of 15° above the horizontal.If T is the tension in this wire,then

• A) T = ma.
• B) T > ma.
• C) T < ma.

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Definitions:

Guaranteed Income

A system of social welfare provision that guarantees that all citizens or families have an income sufficient to live on, provided they meet certain conditions.

Expected Total Utility

The sum of satisfaction or benefit that a consumer anticipates receiving from consuming different quantities of goods and services.

Utility

The satisfaction or benefit derived by consuming a product; thus the desire to obtain a good or service.

Certain Income

Income that is guaranteed or known, without any risk of fluctuation or loss.