Recent content by pedro trindade

thanks... that answered well ^^

Like in the case of a olive being spin inside a cup turned upside down... why it don't fall?

what do you mean? (i'm really sorry if it is a dumb question.). The rope in this case is spinning with the rock in the horizontal axis over my head.

i'm not really a phycisist and to be really sincere i usually cannot answear my questions in class... so yeah, a question i have for a long time now is, which force anulates the gravity preventing a rock tied on a rope spinning over my head to fall and just stay fixed in his horizontal axis, the...

i'm a little lost ^^ which forum exactly i can ask this question?

hey, hello... I'm a brazillian, currently studying electronic engineering (sorry for my english), and yeah, i thought it would be great to catch some of the information of you people from around the world and eliminate those silly questions and problems that not always you can eliminate on...