A Uniform 13-Kg Trap Door Is Oriented Horizontally and Hinged

question 2

Multiple Choice

A uniform 13-kg trap door is oriented horizontally and hinged as shown. What is the magnitude of the torque on the door at the instant that the release is activated and the door can freely rotate?

• A)4.9 N . m
• B)9.8 N . m
• C)48 N . m
• D)72 N . m
• E)96 N . m

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Definitions:

Agnosia

A condition marked by the inability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss.

Echolalia

The automatic and involuntary repetition of words or phrases spoken by others, often observed in individuals with autism and certain other conditions.

Executive Functioning

A set of cognitive abilities that control and regulate other abilities and behaviors, including planning, working memory, attention, problem solving, verbal reasoning, inhibition, mental flexibility, task switching, and initiation and monitoring of actions.

Cognitive Disorder

A category of mental health disorders that primarily affect learning, memory, perception, and problem solving.