There are a couple free experiments available for the Force Plate:
https://www.vernier.com/products/sensors/force-sensors/fp-bta/#section3
You may also be interested in these examples from our Caliper newsletter:
Egg Drop Competition:
http://www2.vernier.com/newsletters/fall04.pdf
Chest Protector study:
https://www.vernier.com/innovate/innovativeuse40.html
Space Science Labs:
https://www.vernier.com/innovate/innovativeuse39.html
Juggling:
https://www.vernier.com/innovate/innovativeuse42.html
The Volume of a Person:
https://www.vernier.com/innovate/innovativeuse49.html
Bridge Building:
http://www2.vernier.com/newsletters/spring05.pdf