A Fan Blade,initially at Rest,rotates with a Constant Acceleration of 0.025

question 19

Multiple Choice

A fan blade,initially at rest,rotates with a constant acceleration of 0.025 rad/s².What is the time interval required for it to reach a 4.2-rad displacement after starting from rest?

• A) 1.8 s
• B) 2.0 s
• C) 16 s
• D) 18 s

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Definitions:

Stylomandibular Ligament

A band of fibrous connective tissue that extends from the styloid process of the temporal bone to the mandible, acting as a supporting structure.

Zygomatic Arch

The bony arch on the side of the skull formed by the zygomatic bone and part of the temporal bone, contributing to the facial skeleton.

Temporomandibular Joint

The hinge joint that connects the lower jaw (mandible) to the temporal bone of the skull, located just in front of the ears.

Stylomandibular Ligament

A fibrous band of the cervical fascia that extends from the styloid process of the temporal bone to the angle of the mandible, acting in the limitation of excessive jaw opening.