Von Air Steam Mop What Is The Tension Of The Hemispheres?

What is the tension of the hemispheres? - von air steam mop

In the 17th Century, Otto von Guricke, a physicist in Magdeburg, in both hemispheres, hollow bronze remove and install all the air out of the ball with a bomb. Two teams of eight horses could not drag when the two halves of the hemispheres fell apart when the air was resumed.
Suppose by Guricke had tied both teams of horses on the one hand, and ran hard on a tree trunk. In this case, the tension in the cerebral hemispheres is



Double what it was before
Just as it was before
Half of what it was before