1. What does net force mean A. tendency to resist a change in motion
B. push or pull
C. amount of matter in a object
D. sum of all forces acting on an object
E. can change an object's motion
F. will not change an object's motion

strength or energy as an attribute of physical action or movement.

Explanation:

coercion or compulsion, especially with the use or threat of violence.

this is from google

c is a symbol. when bernice gets her hair cut, it is the authors way of showing the affects and demands of pier pressure and the over-all attitudes of people at the time.