👉 In physics, "weightlessness" refers to an object or a system experiencing no gravitational force due to its position above the surface of Earth. This is often described as an "empty" state or absence of gravity in space. In other words, it's like being floating on air, without any weight-bearing forces from the ground. This concept can be important for various applications, such as navigation, where objects can remain stationary if they are not moving through space. It's also a key concept in