Inertia everywhere
What do the things in these experiments and the things in the car have in common? Think about which object will act similarly to the ball and which one will act similarly to the TT-ball. Have you got an idea?
What do the things in these experiments and the things in the car have in common? Think about which object will act similarly to the ball and which one will act similarly to the TT-ball. Have you got an idea?