Need Help with a Triangular Loop Problem?

  • Thread starter Thread starter sfgoat
  • Start date Start date
  • Tags Tags
    Loop
Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
3 replies · 1K views
sfgoat
Messages
10
Reaction score
0
This is a question I got wrong on a test and would like to see if I can get someone to show me how to do it properly. Snapped a pic . See below please. Thanks.
 

Attachments

  • 1397061439183.jpg
    1397061439183.jpg
    14 KB · Views: 450
  • 1397061473682.jpg
    1397061473682.jpg
    32.9 KB · Views: 465
Physics news on Phys.org
You've written ##\sin(\phi )=1## at the top. And that is true for the ac segment. But is it true for the other two segments?
 
So would the force on the bc segment be zero since the sin(pi or 2pi) would be zero