Linear Momentum and Impulse Animated GIFs created by Flipping Physics
From: You Can't Run From Momentum! (a momentum introduction)
From: Calculating the Force of Impact when Stepping off a Wall
From: Introductory Elastic Collision Problem Demonstration
From: Demonstrating Impulse is Area Under the Curve
From: How to Wear A Helmet - A PSA from Flipping Physics
From: Impulse Comparison of Three Different Demonstrations