A Yoyo with Moment of Inertia I and Mass M

question 68

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:

Known Liabilities

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Employee Earnings Report

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