Change densities, see FBD of moving object
Category: Forces
Put block in a liquid, see change in weight
Play with densities, see forces
https://phet.colorado.edu/sims/density-and-buoyancy/buoyancy_en.html
Change liquid, g, densities, see change in weight on graph
http://www.thephysicsaviary.com/Physics/Programs/Labs/ForceBuoyancy/index.html
Change mass, parachute size, height
http://www.physicsclassroom.com/Physics-Interactives/Newtons-Laws/Skydiving
Change weight, size of parachute, see change in terminal velocity
https://simbucket.com/skydivingtpc/
Helen rates this resource as Good
Se D/T, V/T graphs for rocket launch, with forces
Change friction, drag see effect on forces, terminal velocity
https://simbucket.com/rocketsled/
Helen rates this resource as Good
Equilibrium of three forces
Forces in equilibrium
http://www.walter-fendt.de/html5/phen/equilibriumforces_en.htm
Coefficient of friction
https://serc.carleton.edu/dmvideos/players/block_slides_ra.html?hide_banner=true