Sophia Learning
Sophia: Objects at Rest on an Inclined Plane: Lesson 1
This lesson explains what forces are acting on objects which are resting on an inclined plane. It is 1 of 2 in the series titled "Objects at Rest on an Inclined Plane."
Sophia Learning
Sophia: Normal Force: Lesson 1
This lesson introduces the concept of normal forces. It is 1 of 2 in the series titled "Normal Force."