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seen Aug 14 at 11:51

Aug
8
comment Rotational speed of a coil in a uniform magnetic field at equilibrium
@anonymous I never said that. It will vary. The thing is $\omega$ will reach constant value at equilibrium.
Aug
6
comment Rotational speed of a coil in a uniform magnetic field at equilibrium
@kleingordon I'm not sure. I studied this long back. You can look into DC motor. They have a concept of achieving a fixed frequency after some time and allowing variable current flow inside.
Aug
6
answered Rotational speed of a coil in a uniform magnetic field at equilibrium
Aug
6
revised Why do rolling disc (coin) move in circular path?
added 36 characters in body
Aug
6
comment Why do rolling disc (coin) move in circular path?
let us continue this discussion in chat
Aug
6
comment Why do rolling disc (coin) move in circular path?
Why do you suppose it should be spinning? We can have a case where coin just traces circular path without spinning around it's own axis. Can we take this over chat?
Aug
6
comment Why do rolling disc (coin) move in circular path?
That doesn't answer my comment. Is $J$ force you expect? If yes, why outside? The torque is misleading too. It's direction means coin is spinning. Like earth rotating. But you want answer for revolution. Right?
Aug
6
awarded  Commentator
Aug
6
comment Why do rolling disc (coin) move in circular path?
What is $J$ here? Is torque in diagram spinning the coin?
Aug
6
revised Why do rolling disc (coin) move in circular path?
added 103 characters in body
Aug
6
comment Why do rolling disc (coin) move in circular path?
@experimentX Fall: No. Because $f_{1}$ exerts reverse torque.
Aug
6
awarded  Teacher
Aug
6
comment Why do rolling disc (coin) move in circular path?
@experimentX updated the answer.
Aug
6
revised Why do rolling disc (coin) move in circular path?
added 512 characters in body
Aug
5
revised Why do rolling disc (coin) move in circular path?
added 176 characters in body
Aug
5
answered Why do rolling disc (coin) move in circular path?
Nov
15
awarded  Supporter
Sep
26
accepted Why is it hard to write a computer program to detect patterns which planethunters is asking us to figure out?
Sep
23
asked Why is it hard to write a computer program to detect patterns which planethunters is asking us to figure out?
Jul
21
comment N particles, will there be any rotation after a period of time or everything will collapse
@mmc this simulator is awesome... thanks for sharing