In Operation an Aluminum Flywheel Within an Engine Gearbox Increases $\circ$

question 5

Multiple Choice

In operation an aluminum flywheel within an engine gearbox increases its temperature by 40 ^$\circ$ C.Assuming the flywheel to be a uniform circular disk,calculate the percentage change in the moment of inertia of the flywheel. (Coefficient of linear expansion for Al = 24 $\times$ 10^-6/K.)

• A)0.002%
• B)0.2%
• C)0.1%
• D)0.001%
• E)1.0%

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Definitions:

Radical Freedom

A concept that suggests individuals have the ultimate responsibility and freedom to choose and shape their own lives, often associated with existentialist philosophy.

Heraclitus

An ancient Greek philosopher known for his doctrine that change is the fundamental essence of the universe, famously encapsulated in the phrase "You cannot step into the same river twice."

Eternal Principle

An unchanging truth or law that is considered fundamental to the nature of reality.

Logos

(from the Greek logos.) Word, reason, or logic. The term is sometimes used to refer to the eternal principle underlying reality, giving the world order, or to the divine intelligence that is manifest in this order.