Magnitude-direction of static friction force acting on box

Reference no: EM13551738

A box 4kg being transported in the back of a truck that is accelerating forward at 2 . the box does not slide relative to the truck . the coefficient of static friction between the box and the truck bed is 0.5. what are the magnitude and direction of the static friction force acting on the box ?

Reference no: EM13551738

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