1.

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. \[\frac{1}{3}\]  
D. 0.4
Answer» C. \[\frac{1}{3}\]  


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