The following situations describe how friction affects motion exept____.
a. Static friction prevents a notebook placed on the table from falling on the floor.

b. Sliding friction occurs between the tip of the ballpen and the surface of the paper as a person keeps writing notes.

c. Rolling friction affects the movement of a motorcycle as it runs along a rocky road.

d. Fluid friction acts towards the direction of motion.

please answer this question i pass ko na to ngayon. ​