Answer:
The paper airplane will create a curved path toward the floor as it is pulled toward Earth’s center.
Explanation:
Among the given options, only 3rd option could happen if a student throw a paper airplane in the class. This is because of the reason that paper airplane is thrown in the air with initial force and it has inertia which will allow it to fly for some distance in a curved path and then falls on the ground. The curved path will be according to the projectile fashion in which any material finally reaches ground because of only initial kinetic energy.
First option is incorrect because the pathway of the paper airplane will not be a complete straight line in any case. The flight of paper airplane is subject to air pressure (air resistance) and other parameters.
Second option is incorrect because the paper airplane will not immediately drop and fall to the ground rather it will still have some flight because it was thrown with a force and the air pressure will allow it to travel some distance before it falls.
Last option is incorrect because it is scientifically incorrect as well as paper airplane is not a largest object in the classroom.
