In which of the following cases, the net force is zero?
I. A ball freely falling from a certain height
II. A cork floating on the surface of water
Ill. An object floating in air
1
I and II only
2
II and III only
3
III and I only
4
I, II and III
In which of the following cases, the net force is zero?
I. A ball freely falling from a certain height
II. A cork floating on the surface of water
Ill. An object floating in air