{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Archimedes, the Center of Gravity, and the First Law of Mechanics: The Law of the Lever","author_name":"André Koch Torres Assis","thumbnail_url":"https://www.ebooknetworking.net/books/098/649/big0986492647.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0986492647.html\">Archimedes, the Center of Gravity, and the First Law of Mechanics: The Law of the Lever</a>","width":400,"height":300}