Algodoo

Nice! Your rubber band works better than the built in chain or rope because it doesn't explode when you stretch it! Good job!

Yes, it can be used for a sling shot. Also, if you make the beads frictionless, then you can use it for measuring the distance between things or around things (if no gravity). Since there are 100 equal spaces between the beads, then all you have to do is determine the spacing between two adjacent beads and multiply that distance by 100.

This scene uses a function named scene.my.makeString(numOfBeads, spacing). You can use it to make a string with any number of circles.

P.S. An easier way to make an elastic band is to create two circles and three hinges; (1) hinge at the center of each circle and one hinge stretched between the circles. Select everything and "Use as chain". After chain is created, select the chain and set hingeConstant to 100 or any value you choose.

I l-o-v-e the way that you made it test, the nose falling onto the elastic mouth is funny and the alastic a saved as a phunlet