motion notes. frame of reference ·a system of objects that are not moving with respect to one...

Motion Notes

Frame of Reference

·A system of objects that are not moving with respect to one another.

·Relative Motion is movement in relationship to a Frame of Reference.

http://www.youtube.com/watch?v=qQVDAMzo4mE

http://www.youtube.com/watch?v=7VqOYvoEMnQ

http://www.youtube.com/watch?v=FaEZZ43WrTQ

Distance & Displacement

·Distance is the length of the path between two points.

·Displacement is the straight line distance between two points - shows both the distance & direction from the starting point to the ending point.

http://www.youtube.com/watch?v=atAgzYH6Sj0

http://www.learnerstv.com/animation/animation.php?ani=%2026&cat=physics

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Speed

·Speed = Distance/Time

·Units: m/s, mph, km/hr

Speed

Velocity

·Velocity = Distance/Time in a given direction

·Units: m/s North, mph South, km/hr NE

http://www.youtube.com/watch?v=DRb5PSxJerM&feature=related

Speed and Velocity by They Might Be Giants

Acceleration

·a = Final Velocity - Initial Velocity

Time

·Units: m/s2, mphps , km/hr/min

Deceleration

·d = Initial Velocity - Final Velocity

Time

·Units: m/s2, mphps , km/hr/min