Defining Force. Including its dimensions, demonstrations of force and mass affecting acceleration, showing that a force is an interaction between two objects and contact vs. field forces.

Content Times:
0:11 Defining force
0:56 Demonstrating how force and mass affect acceleration
2:15 Demonstrating why a force doesn’t necessarily cause acceleration
4:09 Force is a vector
4:23 A force is an interaction between to objects
4:56 Contact vs field forces
5:38 The force of gravity is a field force
6:19 Face and snow force interaction