Use the bench to investigate images
http://www.physicsclassroom.com/Physics-Interactives/Reflection-and-Mirrors/Optics-Bench
Use the bench to investigate images
http://www.physicsclassroom.com/Physics-Interactives/Reflection-and-Mirrors/Optics-Bench
See effect of stage lighting
http://www.physicsclassroom.com/Physics-Interactives/Light-and-Color/Stage-Lighting
Projectile motion
add vectors and see resultant
https://phet.colorado.edu/sims/html/vector-addition/latest/vector-addition_en.html
Add together different vectors
http://www.physicsclassroom.com/Physics-Interactives/Vectors-and-Projectiles/Name-That-Vector
Find resultant forces in 1D
http://www.thephysicsaviary.com/Physics/Programs/Games/NetForceSimpleGame/index.html
Helen rates this resource as good
Component or tip to tail for adding vectors
http://www.physicsclassroom.com/Physics-Interactives/Vectors-and-Projectiles/Vector-Addition
Change order, see resultant
Guess as many vectors in given time
http://www.physicsclassroom.com/Physics-Interactives/Vectors-and-Projectiles/Vector-Guessing-Game