Newton’s Tube (0759) Specifications : Size: 5 x 105 cm (dia. x height) – Weight: 0.7 kg. A falling body is independent of its mass and shape. Using Newton’s Tube we can Demonstrate the independence of mass and shape of a falling body. The apparatus consists of a vacuum tube containing a feather and a piece of metal. We can visually demonstrate both bodies falling together inside the evacuated tube. LAWS & PRINCIPLES INVESTIGATED : • Free fall motion in vacuum. Qty :