![The metal sphere hangs by at tread. when the north pole of the magnet is brought near, the sphere is strongly attached to the magnet. The magnet is reversed, and its south The metal sphere hangs by at tread. when the north pole of the magnet is brought near, the sphere is strongly attached to the magnet. The magnet is reversed, and its south](https://homework.study.com/cimages/multimages/16/vectors8562719693048938065.png)
The metal sphere hangs by at tread. when the north pole of the magnet is brought near, the sphere is strongly attached to the magnet. The magnet is reversed, and its south
![Actuators | Free Full-Text | Design, 3D FEM Simulation and Prototyping of a Permanent Magnet Spherical Motor Actuators | Free Full-Text | Design, 3D FEM Simulation and Prototyping of a Permanent Magnet Spherical Motor](https://www.mdpi.com/actuators/actuators-10-00305/article_deploy/html/images/actuators-10-00305-g001.png)
Actuators | Free Full-Text | Design, 3D FEM Simulation and Prototyping of a Permanent Magnet Spherical Motor
![Magnetic Field Model for Permanent Magnet Spherical Motor With Double Polyhedron Structure | Semantic Scholar Magnetic Field Model for Permanent Magnet Spherical Motor With Double Polyhedron Structure | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/61b1c18eee840f05480300669a6cf556dcd34271/2-Figure1-1.png)