class_docstr: Abstract class for body type objects.
class_docstr_tok: ["Abstract","class","for","body","type","objects","."]
docstr: The body's mass.
docstr_tok: ["The","body","'s","mass","."]
code: def mass(self):
      """The body's mass."""
      return self._mass
  
file_path: sympy/sympy/physics/mechanics/body_base.py
imports: from abc import ABC, abstractmethod
  from sympy import Symbol, sympify
  from sympy.physics.vector import Point
label_desc: Use image node_id 7 for calling the BodyBase obj's underlying member method code with example usage: obj.mass() and returns: self