Peter Bocklandt/Alamy
I fill a bucket with water from a tank by gravity, but what happens to the gravity?
@donferrell333, via Twitter
Nothing happens to the gravity. It just keeps pulling. The darn bottom of the bucket just got in the way.
Pat French
Telford, Shropshire, UK
Throughout the process of filling your bucket, gravity doesn’t change. The same gravitational force pulls in a straight line from the centre of Earth to its surface, to the bucket, to the water in the tank, even to the moon and as far as we know to the edge of the cosmos. It has been…
