− | [[Image:Walter-Levin.png|100px|left]]This is a college lecture by Prof Walter Levin explaining gravitation. Click [http://upload.wikimedia.org/wikipedia/commons/9/91/Newtonslawofgravity.ogg here] to see the video.<br><br><br> | + | [[Image:Walter-Levin.png|100px|left]]This is a college lecture by Prof Walter Levin explaining gravitation. Click [http://upload.wikimedia.org/wikipedia/commons/9/91/Newtonslawofgravity.ogg here] to see the video.<br><br><br><br> |
− | | + | [Image:http://www.google.co.in/aclk?sa=l&ai=COAvSe5OeUu7RH4zUkwXD24CoDbTLobsDjKL_0Ueo4LuORAgGEAUgwcLYFygIUJvnjHdg5crlg7QOoAGUx4_hA8gBB6kCAlvwqDY3UT6qBChP0Pftw0wuTCiIwOMPG4b3W923H7h2PboN1dfanEWxoyTLNzkUjZm1gAWQTsAFBaAGJoAH1LjwHpAHA-ASgv--zdeLzuD2AQ&sig=AOD64_2Qgbxp8R3ya8BEuxsgxtbSFQ-Ajw&ctype=5&rct=j&q=conceptual+physics&ved=0CKoBEPMO&adurl=http://www.flipkart.com/conceptual-physics-10th/p/itmczypuwdwhde8k%3Fpid%3D9788131715536%26cmpid%3Dcontent_book_8965229628_gmc_pla%26tgi%3Dsem,1,G,9226359,g,search,,19319548220,1o5,,,c,,,,,,,&cad=rja] |