Your digestive system
If you are going against the wind, it is pushing you backwards causing a "negative acceleration"--or deceleration.
Pregnancy perhaps.
Outward Force: dirt pushing against retaining wallInward Force: atmospheric pressure, the retaining wall pushing against the dirtDownward Force: gravity, atmospheric pressure, the retaining wall pushing against the earth.Upward Force: The earth pushing against the retaining wall.
Pushing and Pulling differ like Positive and Negative directions.
when friction is pushing against it
no
A surface pushing up, equal and opposite to a force pushing against it
15 pounds of air pressure are pushing against every square inch of your body at all times.
"static"
banks
no. the plates pushing against each other do.
Isometric and Isotonic Contraction