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

question 40

Multiple Choice

A uniform disk, a thin hoop, and a uniform solid 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 velocities after a given time t, least to greatest.

• A)disk, hoop, sphere
• B)disk, sphere, hoop
• C)hoop, sphere, disk
• D)hoop, disk, sphere
• E)sphere, disk, hoop

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Definitions:

X-Ray Images

Pictures obtained by using X-ray technology to visualize the internal structures of the body, aiding in medical diagnosis.

Screen Monitor

An electronic output device that displays information in pictorial form, usually used with computers.

Projecting

The act of extending outwards or forwards or the act of estimating or forecasting something based on current trends or data.

Posteroanterior

An orientation term in radiology indicating that an x-ray beam passes from the back to the front of the body.