To calculate the net force when two people are pushing in the same direction, you simply add the magnitudes of the two forces. Here's the formula:

```

Net force = Force 1 + Force 2

```

For example, if Person A is pushing with a force of 50 newtons (N) and Person B is pushing with a force of 30 N, then the net force is:

```

Net force = 50 N + 30 N = 80 N

```

The net force of 80 N represents the combined effect of the two pushes in the same direction.