Question

1. where is a magnets force strongest?

on the magnetosphere
at the center of the magnet
in the magnetic field
at the magnetic poles

Explanation:

A magnet's force is strongest at its magnetic poles. The magnetosphere is related to Earth's magnetic field, not a magnet's force. The center of the magnet has weaker magnetic force compared to the poles. The magnetic field is the region around the magnet where the force acts, but the strongest force is at the poles.

Answer:

at the magnetic poles