Are you referring the term Amplitude.
Answer:
The two people would fall down according to the laws of physics by Sir Issac Newton
Explanation:
Also write this (according to my unit I teach to my kids since I am a teacher but don't tell anyone): Just like if an apple were to fall, the tree would go upwards and the apple would fall. :)
Exercise 8. Compare the meanings of these verbs.
Came out - came, left - came, brought - drove, looked -
looked, drove - drove away, said - told.