How does the direction of friction compare to the motion of the object?

Select an answer friction can change depending on the direction of the motion friction is always in the same direction as the motion friction is always opposite the motion

How does the direction of the object's acceleration compare to the net force on an object?

Select an answer acceleration can change depending on the direction of the net force acceleration is always in the same direction as the net force acceleration is always opposite the net force $\displaystyle$