Thread: Physics Quiz
View Single Post
  #19   Spotlight this post!  
Unread 19-11-2011, 11:25
Ether's Avatar
Ether Ether is offline
systems engineer (retired)
no team
 
Join Date: Nov 2009
Rookie Year: 1969
Location: US
Posts: 8,038
Ether has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond repute
Re: Physics Quiz

Quote:
Originally Posted by BRAVESaj25bd8 View Post
the y component of the friction force is tau/r.
Correct.

Quote:
the friction force must be in the direction theta away from the x axis pointing up and to the right.
Correct.

Quote:
the friction force is acting at a magnitude of tau/(rsin(theta)) at an angle theta above the horizontal (pointing up and to the right)
Correct. Nicely done.