In the Laboratory, a Stick 1

question 59

Multiple Choice

In the laboratory, a stick 1.0 m long is pivoted at various points to illustrate the motion of a physical pendulum. A plot of the period versus the distance of the pivot point from the center of mass is shown. The data presented demonstrates which of the following?

• A) The motion of a pendulum is circular about the center of mass.
• B) The center of mass is at 0.4 m.
• C) The graph is meaningless in this form.
• D) There is a minimum period in the neighborhood of 1.5 s at a pivotal distance of approximately 0.4 m from the center of mass.
• E) The graph should be drawn as a straight line from A to C; point D is obviously wrong.

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Definitions:

Reabsorbed

The process by which substances are taken back into the body or bloodstream, often referring specifically to the recovery of substances filtered out of the blood by the kidneys.

Transitional Epithelium

Stratified epithelium that may be either cuboidal or squamous-like, depending on the presence or absence of fluid in the organ (as in the urinary bladder).

Urinary Bladder

An organ tasked with the accumulation and expulsion of urine, playing a crucial role in the urinary system.

Stratified Squamous

A type of epithelial tissue composed of multiple layers of cells, with the outermost layer being flat and scale-like.