well biological could be your well mainly your looks how tall how short think physical sameness
the motive could be like smoking you think its cool cause your parent do it maybe
Balanced force exists when all forces cancel each other out. Un-balanced force would be a man shoving another man. Non contact force is a force that doesn't touch you, like weight. Contact force would be like a elephant standing on-top of a ball. Therefore C. is the answer.
