Author: Helen Reynolds

https://twitter.com/MrJChoice/status/1179958593279451136

https://twitter.com/xsqoof/status/1206079929072246784

Download from https://drive.google.com/open?id=1vTafwT5eF3aqGsuAQZV9-PCycbLZDSUu.

Simple harmonic motion can be visualized as the projection of uniform circular motion onto one axis. pic.twitter.com/aEbKETs4Vl

— Think Twice (@thinktwice2580) August 21, 2019

Download from https://drive.google.com/open?id=1FgFZRx1u2ei6vr35bGoTbGogH69RVJAg.

Comparing angular velocity and string angle. #iteachphysics. pic.twitter.com/zhDjrAEba4

— Darek Dewey (@DarekDewey) November 20, 2019

Download from https://drive.google.com/open?id=1Xn_LQgOCNTjWbZk4MF_r9Ojo4ikAB9V7.

https://twitter.com/SHogan228/status/1198994536573353984

Download from https://drive.google.com/open?id=1d1HSYz7GYBRc-dP0rnLy54juaeEBhf3B.

Here’s a 3D example: pic.twitter.com/QLxjscnjrT

— Ron Avitzur (@RonAvitzur) September 23, 2019

Download from https://drive.google.com/open?id=13uaegPg4hZXARX0digra1GUkmHcZB1RA.

Tangent lines this week–excited to show students about circles of curvature as an extension!#math #mathchat #APCalc pic.twitter.com/sxw6UF0RbX

— Patrick Honner (@MrHonner) September 22, 2019

Download from https://drive.google.com/open?id=1eeEXS6z68LgexfmNAG_41Lj8MgN0nqFG.

Download from https://drive.google.com/open?id=1Xk6QxNQUw9fdVFXBq4JfJRM9H7mHzUef.

https://www.youtube.com/watch?v=OTcdutIcEJ4

Download from https://drive.google.com/open?id=1_NjUKZzYk3Ovch1Yg4P1m0CMwzmYT5Ph.

Download from https://drive.google.com/open?id=1gguTnw_Sf6Gbc_5Ddt3bJw7NzFQhIoBr.