question_answer

A box rests in the rear of a truck moving with a deceleration of \[2\,\,\text{m/}{{\text{s}}^{\text{2}}}.\] To prevent the box from sliding, the approximate value of static coefficient of friction between the box and the bed of the truck should be:

A) 0.1                               

B) 0.2

C) 0.3                               

D) 0.4