An Airtight Box, Having a Lid of Area 80 Cm²

question 55

Multiple Choice

An airtight box, having a lid of area 80 cm², is partially evacuated. Atmospheric pressure is 1.01 *10⁵ Pa. A force of 108 lb is required to pull the lid off the box. The pressure in the box was:

• A) 2.60 * 10⁴ Pa
• B) 6.35 * 10⁴ Pa
• C) 7.50 * 10⁴ Pa
• D) 1.38 * 10⁵ Pa
• E) 1.76 * 10⁵ Pa

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Definitions:

Cournot

Refers to an economic model of competition among firms, where each firm decides its production level assuming the other firms' levels are fixed, leading to a state of Cournot equilibrium.

Sequential Games

Games in which players make decisions one after another, with later players having knowledge of the previous actions taken by other players.

Dominant Strategy

A strategy that is the best for a player in a game irrespective of the strategies chosen by other players.

Nash Equilibrium

A concept within game theory where no participant can benefit by changing strategies while the other participants keep theirs unchanged.