Physics crash course from PBS

PBS has a 16 part series on the fundamentals of Physics called Crash Course Physics.

Motion in one dimension 10:39 minutes

Minute Physics answers your questions

For those wanting to answer the question: "How long would it take for me to fall through the earth assuming it was in a vacuum?", the Minute Physics Channel on You Tube has an answer.  The math on some of the problems may be a bit daunting but the visuals are good and it is easy to understand some fairly difficult concepts.   It also has some practical applications.  Is it better to walk or run through the rain if you want to be less wet?

Walk or Run through the rain? - 2 minutes

Fall through the center of the earth - 5 minutes

Mass versus Weight

Slideshare.net

Creately.com

Mass vs. Weight - Noah Cleaton

Mass vs. Weight - NASA - 6 min.