Understanding Motion - Questions I.1.1

Using an example, distinguish between kinematics and dynamics. Two football players are running at the same speed and in the same direction along a straight level path. Are these football players in motion with reference to each other? Explain. Two high school students are on opposite sides of a moving merry-go-round. Are the students moving with reference to each other? Explain. Are the students moving with reference to the center of the merry-go-round? Explain. Are the students moving with reference to their seats? Explain.