What Is the Total Force on the Bottom of a Filled

question 13

Multiple Choice

What is the total force on the bottom of a filled 4.0-m diameter by 1.0-m deep round wading pool due to the weight of the air and the weight of the water? (Note that the pressure contribution from the atmosphere is 1.0 *10⁵ N/m², the density of water is 1000 kg/m³, and g = 9.8 m/s².)

• A) 3.4 * 10⁵ N
• B) 1.4 *10⁶ N
• C) 1.7 * 10⁵ N
• D) 7.8 * 10⁵ N

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Definitions:

Comparative Advantage

Comparative advantage is the ability of an individual or country to produce a particular good or service at a lower opportunity cost than others, forming the basis for specialization and trade.

Absolute Labor Productivity

The total output produced by a worker or workforce in a given time period, not adjusted for factors like hours worked.

Relative Opportunity Costs

The loss of potential gain from other alternatives when one alternative is chosen, expressed in terms of the ratio between the cost of the chosen alternative and the cost of the next best alternative.

Opportunity Cost

The cost of forfeiting the next best alternative when one option is chosen over another.