If Kavi is sitting on a swing and Tarun gives her a push, in what direction will Kavi move, and how will Tarun know where to stand to push her again once the swing comes back?

Provide a very brief response.
Kavi will move forward in the direction Tarun pushed her. Because swings move in an arc, she will come back towards the point where she started. This means that Tarun should stand in the same spot where he initially pushed her in order to be in the right position to push her again once the swing returns. Gravity ensures that the swing will naturally come back towards its starting point, and because of the pendulum-like motion of the swing, Tarun can predict the swing's return path to its origin without moving from his initial position.