A Block Is First Placed on Its Long Side and Then

question 20

Multiple Choice

A block is first placed on its long side and then on its short side on the same inclined plane. The block slides down the plane on its short side but remains at rest on its long side. A possible explanation is:

• A) the short side is smoother
• B) the frictional force is less because the contact area is less
• C) the center of gravity is higher in the second case
• D) the normal force is less in the second case
• E) the force of gravity is more nearly down the plane in the second case

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Definitions:

Conservatorship

A legal concept where a court appoints an individual or organization to manage the financial and personal affairs of another due to physical or mental limitations.

Delusions

False beliefs held with strong conviction despite superior evidence to the contrary, commonly observed in psychiatric conditions such as schizophrenia.

Acetylcholine

A neurotransmitter that plays a significant role in the peripheral and central nervous systems, involved in muscle activation, memory formation, and learning.

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