Calculate the Pressure Exerted on the Ground by a 79

question 6

Multiple Choice

Calculate the pressure exerted on the ground by a 79 kgperson standing on one foot.Assume that the bottom of the person's foot is 13 cm wide and 28 cm long.

• A)2.1 × 10⁴ Pa
• B)2.2 × 10³ Pa
• C)4.8 × 10⁴ Pa
• D)5.3 × 10⁴ Pa

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Definitions:

Citric Acid Cycle

A set of chemical reactions that aerobic organisms use to transform acetate, obtained from carbohydrates, fats, and proteins, into carbon dioxide, thereby generating energy.

Substrate Level Phosphorylation

A metabolic process where a phosphate group is directly transferred from a substrate to ADP, forming ATP, occurring in glycolysis and the Krebs cycle.

Phosphate Group

A functional group consisting of a phosphorus atom bonded to four oxygen atoms, important in energy transfer.

ATP

Adenosine Triphosphate, a molecule that stores and transfers energy within cells.