A background/preface to give you background information
Decode means to convert into intelligible form, to recognize and interpret to discover the underlying
Answer:
She explains to him that he has an upper hand in the situation (knowing that Jack was saying bad things about him). She then tells him that if he refuses to go back to school on his own, she'll tell their parents who will tell the school principle and that everyone will start treating him like a freak that needs to go to a special needs school. That is ultimately what makes up his mind to go back.
"The rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force."