It's just as still as it would be on earth.

That means that our centre of gravity is not exactly in line with the centre of the earth.

We haven't quite swung into our proper position, and that reminds me, dear.

You will have to be prepared for some rather curious experiences in that way.

For instance, just see if that jug of water is as heavy as it ought to be." She took hold of the handle, and exerting, as she thought, just enough force to lift the jug a few inches, was astonished to find herself holding it out at arm's length with scarcely any effort.