Ask your own question, for FREE!
Physics 27 Online
OpenStudy (anonymous):

In one of the physics I lectures, Lewin was able to make a top spin for half an hour and more... what's the trick?

OpenStudy (anonymous):

The trick is an outside power source. One of my professors did this...with an electromagnet hidden under the desk.

OpenStudy (anonymous):

any videos?, cause i did not understand this

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
heavenly: i have some cute stitch pic
58 minutes ago 7 Replies 0 Medals
Arriyanalol: A week to go until Big 17
7 hours ago 8 Replies 2 Medals
idontexistrn1: National Princess Day
5 hours ago 27 Replies 3 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!