The co-founder and co-director of Big Picture Learning, Dennis Littky believes that cookie-cutter teaching fails too many students. So Littky works to make ...
This man was my high school principal during the 80's. Like many other
stories he told here, i was an experimental student with a learning
disability but I had a strong desire to create and produce music. I went on
to work in a recording studio that produced Grammy Award winning
soundtracks for such works as "The Civil War" by Ken Burns.
Hello Dr. Lewin, in the static equilibrium example with the person walking
up the ladder, how come we do not consider the normal force from the
contact between the person and the ladder or is this normal force combined
with the normal force the ladder makes with the ground?
+Dr. Science Sc.D If we want to know whether the ladder starts slipping we should only take into account forces that act on the ladder. That's the power of "free-body" diagrams.
Professor Walter Lewin, I am a mechanical engineer from Brasil and I teach
phisycs as a voluteer, i would like to thank you for all that you have done
for education. You have no idea how your lectures are inspire me. You are
really making difference in this crazy word. Thanks a lot for help me to
help others.
+Antonio Romero Thank you Antonio for your kind words. Comments like that are very rewarding. My 50 years of teaching in a somewhat eccentric way has paid off. About 5 million people watch my lectures yearly.
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