WHAT IS THE TERM USED WHEN 2 OBJECTS EXERT FORCES ON EACH OTHER? (PLEASE HELP, SUPER URGENT)

Super ultra mega important if you can answer this correctly i will give you 100 points but if you don't answer it correctly you'll get a big report. so stay aware and have a nice day!

When only separate discreet points are graphed it is called?

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.