A Disk with a Rotational Inertia of 5

question 98

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