Question 2
Ben has a pearl engraved with a kangaroo and pierced by a hollow tube through its centre. He slides it along the bent wire shown. What will the pearl look like near the other end of the wire?
Planar-sliding convention: carry the pearl around the bends without turning it over or adding an independent twist around the wire.
Planar-sliding convention: carry the pearl around the bends without turning it over or adding an independent twist around the wire.
