El módulo del vector, se obtienen calculando la del vector base. xfa ayudemen me boy a quedar de año

i think the answer would be reserve.

because growing process had stoped after 4-5 year

the moving of the box is a result of centripetal force. think of that  as a car or a truck in this case creates a turn, the force of friction performing upon the turned wheels of the car runs centripetal force obligatory for circular motion for the things inside it.