Three Forces,5

question 19

Multiple Choice

Three forces,5.0 N,15.0 N,and 20.0 N,are acting on a 9.81-kg object.Which of the following forces could also be acting on the object if it is moving with constant velocity?

• A)1.0 N
• B)19.0 N
• C)39.0 N
• D)any of the above

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Definitions:

Scientific Method

A systematic approach to research where a problem is identified, relevant data is gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.

Economic

Pertains to the production, distribution, and consumption of goods and services, and the analysis of behaviors and decisions related to these processes.

Fallacy of Composition

The erroneous belief that what is true for a part is necessarily true for the whole, particularly in economics.

Model

A simplified representation of reality, often mathematical, used to analyze and predict complex systems or phenomena.