In the picture below, sphere X swings down and collides with sphere Y. Identify the action and reaction forces.  Action force: 
Reaction force: 

Action force is force acting in one direction. Reaction force is force acting in the opposite direction.

s the environmental science is a broader field that incorporates many elements of earth and life sciences, whereas ecology is usually more focused on how organisms interact with each other and their surroundings, and often on a very specific population of living things. soo yea

explanation:

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered