A uniform disk of mass m 56 kg has a radius of 014 m and, Ask an Expert

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A uniform disk of mass M = 5.6 kg has a radius of 0.14 m and is pivoted so that it rotates freely about its axis. A string wrapped around the disk is pulled with a force F equal to 23 N.

(a) What is the torque being exerted by this force about the rotation axis?

______N · m

(b) What is the angular acceleration of the disk?

______rad/s2

______rad/s

(d) What is its kinetic energy after the 4.7 s?

______J

(e) What is the angular displacement of the disk during the 4.7 s?

______rad

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