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:

Good Harvest

A particularly productive yield of agricultural produce.

Theocratic

Pertaining to a form of government in which a deity is recognized as the supreme civil ruler, with the deity's laws being interpreted by ecclesiastical authorities.

Hierarchical

Describes a system or organization where individuals or elements are ranked one above the other according to status or authority, often found in corporate, military, and social structures.

Egalitarian

Pertaining to the belief in or practice of human equality, especially with respect to social, political, and economic rights and privileges.