Question

imbalance occurs when the wheel or tire is not concentric or when the tires sidewall has uneven stiffness. select one: a. rotation b. dynamic force c. static force d. road force

Explanation:

Road - force imbalance occurs when the wheel - tire assembly has non - concentricity or uneven sidewall stiffness. Rotation refers to the turning motion, dynamic and static forces are general force concepts not specific to this context.

Answer:

d. Road force