At Gadget Man Ireland, we stock a wide range of fun Gadgets of all sizes including the cool Newtons Cradle. Newtons Cradle is amazing and will keep you relaxed and focused at work or just to chill and view at home. Grab yours now in store or online.
This demonstrates Newton's principle that 'action and reaction are equal and opposite'. If one of the steel balls is lifted and allowed to fall back at one end, then one will swing out the same distance at the other end. This causes the beginning of perpetual motion which dies down only as a result of friction, an interesting process to watch. 11cm.