Sophia Learning
Sophia: Objects Sliding on an Inclined Plane: Lesson 1
This lesson explains what forces are action on objects which are sliding across an inclined plane. It is 1 of 2 in the series titled "Objects Sliding 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."