A Disk with a Rotational Inertia of 2

question 101

Multiple Choice

A disk with a rotational inertia of 2.0 kg.m² and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and through its center.A force of 5.0 N is applied tangentially to the rim.The angular acceleration of the disk is:

• A)0.40 rad/s²
• B)0.60 rad/s²
• C)1.0 rad/s²
• D)2.5 rad/s²
• E)10 rad/s²

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