Why does releasing a cork save a glass using angular momentum conservation?

Join the discussion
Registration is free. Start your own thread to ask a follow-up.
4 replies · 2K views · last reply
bugatti79
Messages
786
Reaction score
4
Hi Folks,

How would one use the conservation of angular momentum to explain the attached picture?
The rod is held fixed horizontally..the person holds on to the cork and then let's go...apparently the glass is saved due to this conservation...
 
Attachments
  • Diagram of a horizontal rod pivoting on a support, with a string running from a cork on the left over the rod to a glass hanging from its right end.
    1476905069665.jpg
    38.8 KB · Views: 594
Physics news on Phys.org
Hi. I am not a student and this is not homework. I am reading physicsnin my spare time and occasionally I put a question up to get peoples opinions/help.
Please advise how I should proceed for future queries..
Thanks
B
 
Ah...I understand... homework TYPE questions. Ok.
I will know in future! Can this thread be moved or shall I repost?
Thanks
B