In which of the following body can be considered point object 1.) A railway carriage moving without jerks between two stations. 2.) A monkey sitting on top of a man cycling in a circular path. 3.) A spinning cricket ball that turns sharply on hitting the ground. 4.) A tumbling beaker that has slipped of the edge of the table.

It has more than one correct answer. Please give reasons for your answer as well.

In which of the following body can be considered point object

1. A railway carriage moving without jerks between two stations.

2. A monkey sitting on top of a man cycling in a circular path.

3. A spinning cricket ball that turns sharply on hitting the ground.

4. A tumbling beaker that has slipped of the edge of the table.

It has more than one correct answer. Please give reasons for your answer as well.