Three Identical Balls Are Tied by Light Strings to the Same

question 45

Multiple Choice

Three identical balls are tied by light strings to the same rod and rotate around it, as shown below. Rank the balls according to their rotational inertia, least to greatest.

• A) 1, 2, 3
• B) 3, 2, 1
• C) 3, then 1 and 2 tie
• D) 1, 3, 2
• E) All are the same

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Definitions:

Monozygotic Twins

Identical twins that develop from a single fertilized egg, sharing the same genetics.

Dizygotic Twins

Twins that develop from two different eggs fertilized by two different sperm, also known as fraternal twins.

Shared Environment

The environmental factors that contribute to the similarities in development and behavior of individuals raised in the same household.

Nonshared Environment

The aspects of the environment that are unique to an individual and not shared with other family members, contributing to differences among siblings.