A Uniform Disk, a Thin Hoop, and a Uniform Sphere

question 15

Multiple Choice

A uniform disk, a thin hoop, and a uniform sphere, all with the same mass and same outer radius, are each free to rotate about a fixed axis through its center. Assume the hoop is connected to the rotation axis by light spokes. With the objects starting from rest, identical forces are simultaneously applied to the rims, as shown. Rank the objects according to their angular momenta after a given time t, least to greatest.

• A) all tie
• B) disk, hoop, sphere
• C) hoop, disk, sphere
• D) hoop, sphere, disk

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Definitions:

Deleterious Alleles

Deleterious alleles are variants of genes that negatively affect the fitness or survival of an individual carrying them.

Homozygosity

The state of having two identical alleles at a particular gene locus, leading to the expression of a specific trait.

Fixing Beneficial Allele

The process by which a beneficial genetic variation becomes established, or fixed, in a population, often leading to evolutionary advantages.

Starting Frequency

Refers to the initial proportion or occurrence rate of a particular genetic variant or allele within a population at the beginning of a specified period.