A Yoyo with Moment of Inertia I and Mass M

question 31

Multiple Choice

A yoyo with moment of inertia I and mass m is hung using a light string over a frictionless pulley.A force F is applied to the other end of the string.The yoyo is allowed to unwind.As the yoyo unwinds,the force needed to stop the pulley from rotating is _____ the weight mg.

• A)less than
• B)equal to
• C)greater than
• D)depends how fast the yoyo is unwinding
• E)unable to tell

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Definitions:

Categorizing

The process of sorting or arranging objects, ideas, or information into groups based on shared characteristics.

Psychophysiological Measure

Methods used to study the relationship between physiological processes and psychological states through the measurement of physical responses, such as heart rate or brain activity.

Neuroimaging Techniques

Various methods used to visualize the structure and function of the brain and nervous system, such as MRI and PET scans.

Electroencephalograph

An instrument used to record the electrical activity of the brain, typically over a period, to diagnose conditions or monitor brain activity.