A Child Wants to Pump Up a Bicycle Tire So

question 35

Multiple Choice

A child wants to pump up a bicycle tire so that its pressure is 1.2 × 10⁵ Pa above that of atmospheric pressure. If the child uses a pump with a circular piston 0.035 m in diameter, what force must the child exert?

• A)120 N
• B)89 N
• C)76 N
• D)54 N
• E)240 N

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Definitions:

Economic Theory

A set of principles and models that explains how economies operate and how economic agents interact.

Total Profit

The difference between a firm's total revenue and its total costs, indicating the overall financial gain from its business activities.

Principle of Marginal Analysis

The principle of marginal analysis involves making decisions based on the additional benefits and costs of an action compared to its alternatives.

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