How do the mass and weight of the body, which is transferred from the pole to the equator of the Earth, change?

The mass of a body at speeds much less than the speed of light is the same and will not depend on the location of the body.

Body weight is the force with which the body acts on the support. It will depend on gravity. Since gravity is greater at the poles than at the equator, the weight of the body at the pole will also be greater.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.