In this week of Physics, we have gained a deeper understanding of momentum. There are two types of collisions: elastic and inelastic. An elastic collision is a "bouncy" collision where the two colliding objects repel from each other. An inelastic collision is a "sticky" collision where the two colliding objects stick together and form one mass. For example, if I were to slap these two velcro pieces together, they would stick together, thus being an inelastic collision. But if I were to roll two rubber balls together like in my previous blog, they would bounce off of each other, thus being an elastic collision. I have also learned that impulse is the change in momentum.
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