A cord is wrapped onto a
cylindrical reel mounted on a fixed frictionless horizontal
axle. Whe...
Mathematics, 15.06.2021 14:00 genyjoannerubiera
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?
1. When the cord is pulled down with
a constant force of 50 N.
2. When an object of weight 50 N is
hung from the cord and released.
3. The angular accelerations in parts
(a) and (b) are equal.
4. It is impossible to determine.
Answers: 2
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