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## Main Question or Discussion Point

Hi there,

Assume that I push a box with a force of say 50 Newtons and the box moves forward. At the same time, the box pushes me back with the same amount of force. One can argue that hence, the net force here is zero and the box shouldn't move, right?

Compare it to the situation where the box lays on the floor. The reason the box doesn't bounce up is that the net force (in the vertical axis) is zero, i.e. the force imposed by the floor to the box is countered by the force imposed by the box to the floor.

Thanks for the help

Assume that I push a box with a force of say 50 Newtons and the box moves forward. At the same time, the box pushes me back with the same amount of force. One can argue that hence, the net force here is zero and the box shouldn't move, right?

Compare it to the situation where the box lays on the floor. The reason the box doesn't bounce up is that the net force (in the vertical axis) is zero, i.e. the force imposed by the floor to the box is countered by the force imposed by the box to the floor.

Thanks for the help