Vectors and scalers

Scalar has only magnitude (size): distance, speed, energy, mass
Vectors have both size and direction: displacement, velocity, acceleration, force, momentum

http://youtu.be/KbrEBpCw3Ag.

I’ll be building on these ideas particularly adding and resolving vectors over the next few weeks in the run up to kinematics. For some more ideas please see:

http://www.physicsclassroom.com/class/1dkin/u1l1b.cfm
http://www.khanacademy.org/science/physics/one-dimensional-motion/displacement-velocity-time/v/introduction-to-vectors-and-scalars
http://www.grc.nasa.gov/WWW/k-12/airplane/vectors.html
http://webphysics.iupui.edu/JITTworkshop/152Basics/vectors/vectors.html
http://en.wikibooks.org/wiki/Physics_Study_Guide/Vectors_and_scalars

Lots of people like vectors. And some questions:

http://www.edinformatics.com/math_science/vectors_scalars.htm
http://m.everythingscience.co.za/grade-10/20-vectors-and-scalars/20-vectors-and-scalars-01.cnxmlplus

And going beyond the course: http://home.cc.umanitoba.ca/~thomas/Courses/vectors.pdf

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