SCIENCE STORE offers: NEWTON’S CRADLE

Newton’s cradle is constituted by a set of metal balls of equal mass suspended by wires to two metal rods parallel and horizontal. The beads, at rest, touch each other, are at the same height and are equidistant from the auction. If you drop one or more bead against the other, the one located at the opposite end is set in motion with the same speed, while one launched stops and intermediates do not move. If the beads are more than three and if they drop two, they will set in motion the two located at the opposite end, and so on. The beads after a while ‘, stop due to the friction of the air, to send them on to infinity should put the pendulum in a vacuum bell and not send any kind of vibration.

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