A Disk with a Rotational Inertia of 5

question 43

Multiple Choice

A disk with a rotational inertia of 5.0 kg . m² and a radius of 0.25 m rotates on a frictionless fixed axis perpendicular to the disk and through its center. A force of 8.0 N is applied along the rotation axis. The angular acceleration of the disk is:

• A) 0
• B) 0.40 rad/s²
• C) 0.60 rad/s²
• D) 1.0 rad/s²
• E) 2.5 rad/s²

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