Consider a Point on a Bicycle Tire That Is Momentarily

question 50

Multiple Choice

Consider a point on a bicycle tire that is momentarily in contact with the ground as the bicycle rolls across the ground with constant speed.The direction for the acceleration for this point at that moment is:

• A)upward.
• B)down toward the ground.
• C)forward.
• D)at that moment the acceleration is zero.

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Definitions:

Nasal Cavity

The large air-filled space above and behind the nose in the middle of the face, which filters, warms, and humidifies inhaled air.

Soft Palate

The Soft Palate is the soft tissue constituting the back of the roof of the mouth, separating the mouth from the nasopharynx, and is crucial in swallowing and speech.

Hard Palate

The bony front part of the palate forming the roof of the mouth, separating the oral and nasal cavities.

Nasal Cavity

The nasal cavity is a large air-filled space behind the nose, involved in breathing, filtering, warming, and humidifying inhaled air; it also houses olfactory receptors involved in the sense of smell.