Newton's Second Law problems, explained step by step (1)

Physics: How to solve Newton's Second Law problems. Inclined plane problems. Kinetic friction. Static friction

Playlist containing all the videos in this series:

If you find that the video explanations move too slowly, you can simply try the problems in the Problems document, check the solutions in the Solutions documents, and skip to any particular parts of the videos that cover parts of the solutions that you find confusing.

TABLE OF CONTENTS FOR THE VIDEO SERIES
(1) A basic Newton’s Second Law problem, involving the tension force
(2) An inclined plane problem
(3) Newton’s Second Law and kinematics
(4) Understanding the meaning of the concepts and formulas
(5) Newton’s Second Law and kinematics, on an inclined plane
(6) The maximum static friction force
(7) Maximum static friction force, with a vertical surface

TABLE OF CONTENTS FOR VIDEO (1)
0:00 Preliminary steps
2:18 Free-body diagram
5:31 Directions of the forces
7:25 Force Table
8:48 Weight force magnitude
9:53 Kinetic friction force magnitude
11:16 Normal force magnitude
12:08 Axes
12:32 Components: weight, normal force, friction force
14:29 Components: tension force
19:11 Newton’s Second Law equations
20:50 a_y and a_x
22:07 Solving the equations
23:33 Answer
24:33 Do our results make sense?
28:16 Velocity vs. acceleration
29:25 Recap

tag: How to solve force problems