Question

type your response in the box. when the notebook is sitting on the table, what force prevents it from falling into the space below the table? if you dont know the name of this force, just describe it. what force keeps the notebook from floating in the air?

Explanation:

The force preventing the notebook from falling below the table is the upward contact force exerted by the table (normal force). The force keeping it from floating is the downward gravitational pull by Earth (gravity).

Answer:

The force preventing the notebook from falling into the space below the table is the normal force. The force keeping the notebook from floating in the air is gravity.