The first scenario is an example of Newton's first law, the second scenario is an example of Newton's second law.
Finally, if Beatriz Pushed with more force than Gustavo, the door would move in the direction in which Beatriz is pushing.
Remember Newton's first law of motion:
"if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force."
Now, in the first scenario given, both persons push the door with the same force and in opposite directions, thus, the net force on the door is 0 (because we can directly add the forces).
Then the first example is an example of the first law of motion, where because the net force on the door is 0, the door does not move.
Now, for the second law, we know that the force applied to an object is equal to the object's acceleration times the object's mass.
So, in the second case where Gustavo pushes the door with more force than Beatriz, the net force is not 0, so here the door will move in the direction in which Gustavo is pushing, this is an example of the second law of motion.
Finally, if Beatriz Pushed with more force than Gustavo, the door would move in the opposite direction than in the case above.
If you want to learn more about Newton's Laws:
https://brainly.com/question/25545050
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