He does push off the ground (hard), and then pull up on the 10lb bike. You can see in some of the longer jumps he does, he pulls up with his legs to make the rear wheel follow an arc closer to his body (since his mass is so much greater than the bike, it moves and he does not). Sudhir "failed@physics" Desai On Fri, Nov 19, 2010 at 09:38, BenT Syncro <syncro@gmail.com> wrote: > On Fri, Nov 19, 2010 at 6:17 AM, Anthony Egeln <regnsuzanne@yahoo.com>wrote: > >> The skills of the guy on the bike are nothing short of amazing! >> But I've never understood the physics of how he can jump the bike like that >> without pushing off the ground with his feet. Same thing with skateboarders >> who do similar tricks. >> Since it is Frydae, perhaps one of the list resident geniuses could explain >> it. >> Thanks, Anthony'89 Syncro GL (Hidalgo) >> >> > I'm no physics genius but seems to me throwing your mass in an upwards > direction whilst tugging on the handlebars will pull up the much lighter > bike, > > > BenT Feesiks > |
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