Angular momentum demonstrated with bycicle wheen and spinning chair

funny (5718) fail (1023) animals (885) dogs (622) cats (565) jumping (469) kids (464) tricks (435) cars (345) movies (329) owned (301) dancing (285) soccer (254) ouch (247) cute (237) slow-motion (237) accidents (202) celebrities (191) water (191) bikes (190) sports (184) flip (172) basketball (165) cartoons (155)