. What is projectile motion? Projectile motion is for example when you drop a ball what if you were to throw it horizontally instead. That is projectile motion. A projectile is basically when an object is thrown
Elastic forces is, for example when you squeeze a sponge the sides come together but it does not break. That is compression. Compression is an elastic force that squeezes/pushes matter together.
What about elastic forces? What is that?
An elastic force that stretches or pulls matter together is called tension.