theo luc quan tinh, khi xe dang chay ma dung laj thi nguoi dung tren xe lao ve phia truoc, re trai thi nguoi nghieng qua phai.
vay tai sao khi cam 1 qua bong bay tren xe, thi lai hok tuan theo dinh luat quan tinh, tuc la xe phanh gap thi bong bong lui ra sau, re phai thi bong bong re phai
vay tai sao khi cam 1 qua bong bay tren xe, thi lai hok tuan theo dinh luat quan tinh, tuc la xe phanh gap thi bong bong lui ra sau, re phai thi bong bong re phai