actually. . . I am not sure im in the 6th grade and im doing h.w. now so i nedd help thanjks i would really appreciate it !!!
Possitraction
gears
nope
wheel and axle
a pulley
An axle is attached to the center of wheels.
A rod to which a wheel or wheels is attached is an axle.
two wheels attached to a frame
See attached Link
Gears are wheels with teeth that fit together.
No, training wheels can only be attached to bikes that are specifically designed to accommodate them.
not sure