When we push a wall the wall does not move so, no work is done but still we get tired Why? What energy changes occur in this process.
By Lance Cooper
December 12, 2011
Important registration information for PhD students about to graduate:
Refer to the Graduate College Handbook for details. Contact the Assoc Head for Grad Programs or Graduate Student Academic Services with any questions about requirements.
Department of Physics 1110 West Green Street Urbana, IL 61801-3080Physics Library | Contact Us | My.Physics | Privacy Statement | Copyright Statement