1) why do bicycle has a spoke in wheel.or in rem.2)when we take strip of paper and make 2 hole in it ,and insert finger in it,and try to tear it but only one side get tore,not the both side .3)when bicycle is in motion ,why we don't fall.4) when we slow down our speed of cycle ,we fall from side ward,why not from front or back.
1) why do bicycle has a spoke in wheel.or in rem.2)when we take strip of paper and make 2 hole in it ,and insert finger in it,and try to tear it but only one side get tore,not the both side .3)when bicycle is in motion ,why we don't fall.4) when we slow down our speed of cycle ,we fall from side ward,why not from front or back.