One End of a 1

question 21

Multiple Choice

One end of a 1.0-m long string is fixed; the other end is attached to a 2.0-kg stone.The stone swings in a vertical circle, passing the bottom point at 4.0 m/s.The tension force of the string at this point is about:

• A)0 N
• B)12 N
• C)20 N
• D)32 N
• E)52 N

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Definitions:

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical features and some degree of intellectual disability.

Atlantoaxial Instability

Abnormal movement between the first and second vertebrae of the neck, which can result in spinal cord injury and other serious outcomes.

Hyperflexibility

An unusual ability to move joints beyond the normal range of motion, often referred to as being "double-jointed."

Cognitive Impairment

A reduction in one's ability to think, concentrate, formulate ideas, reason, and remember, impacting daily life.