1) The document discusses Newton's laws of motion through examples involving hippos. Newton's second law states that acceleration is directly proportional to net force and inversely proportional to mass. 2) An example calculates that throwing a 500kg baby hippo with a 1000N force would result in 2m/s^2 acceleration. Strapping it to a rocket with 3000N force over 12 seconds would accelerate it to 72m/s. 3) Throwing the 4500kg mother hippo with the same 1000N force only accelerates her to 0.22m/s^2 due to her greater mass.