Question

a student builds a \launcher system\ in the simulation. the weak magnet shoots upward much faster when the strong magnet is rotated 180°. what does this tell the student about magnetic interactions?
magnet strength changes randomly
the launching force depends only on friction
pole orientation changes the direction of magnetic force
magnetic systems work only vertically

Explanation:

When the strong magnet is rotated 180°, its magnetic poles are flipped relative to the weak magnet. The change in the weak magnet's speed shows that the magnetic force switched from an attractive to a repulsive (or vice versa) force, which depends on the orientation of the poles. The other options are incorrect: magnet strength does not change randomly, the launching force is magnetic not just friction, and magnetic systems can act in any direction.

Answer:

C. Pole orientation changes the direction of magnetic force