Answer to Question #67113 in Mechanics | Relativity for Ali abbas

Question

Why is it that the mass of a body is not affected by changes in the physical environment of the body such as location?

Answer 1

Inertial mass is a property of a physical body, and can be measured as resistance to acceleration:
m=F/a, there F is force attached to the body, and a is resulting body acceleration. Hence, external environment is not influence to inertial mass a-priory.