A worker pushes horizontally on a $2000-$NN refrigerator on a kitchen floor with a force of $26\mathrm{.}0$ NN$.$ If the refrigerator moves forward, this person feels it pushing back with less than $26\mathrm{.}0$ NN$.$The person always feels a $26\mathrm{.}0$ NN push from the refrigerator.The person feels a $26\mathrm{.}0$ NN push from the refrigerator only if it does not move.The person feels a $2000$ NN push from the refrigerator.