As shown in Figure MCQ8.4, a cord is wrapped onto a
Chapter , Problem 4(choose chapter or problem)
As shown in Figure MCQ8.4, a cord is wrapped onto a cylindrical reel mounted on a fixed, frictionless, horizontal axle. When does the reel have a greater magnitude of angular acceleration? (a) When the cord is pulled down with a constant force of 50 N. (b) When an object of weight 50 N is hung from the cord and released. (c) The angular accelerations in (a) and (b) are equal. (d) It is impossible to determine.
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