Individual #dynamics__kinetics  the branch of mechanics concerned with the forces that cause motions of bodies
  >part:  #ballistics  the science of flight dynamics
  >part of:  #mechanics__mechanic  the branch of physics concerned with the motion of bodies in a frame of reference
     >part of:  #physics__physic__physical_science__natural_philosophy__naturalphilosophy  the science of matter and energy and their interactions

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