A Truck Has a 300-Kg Load That Is Not Secured $2$

Multiple Choice

A truck has a 300-kg load that is not secured. The truck pulls away from a stoplight with a maximum acceleration of 2.3 m/s $2$ ; during this acceleration the load does not slip. What was the maximum frictional force developed between the load and the truck bed?

A) 2900 N
B) 1900 N
C) 990 N
D) 690 N