A Cinder Block of Mass M = 4

question 53

Multiple Choice

A cinder block of mass m = 4.0 kg is hung from a nylon string that is wrapped around a frictionless pulley having the shape of a cylindrical shell, as shown in the figure. If the cinder block accelerates downward at 4.90 m/s² when it is released, what is the mass M of the pulley?

• A) 2.0 kg
• B) 4.0 kg
• C) 6.0 kg
• D) 8.0 kg
• E) 10 kg

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Definitions:

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