Ballistic pendulum



a device consisting of a large mass hung from a horizontal bar by two rods, used to measure the velocity of an object, as a bullet, by retaining the object upon impact, its velocity being a function of the displacement of the mass.
Historical Examples

This cannon is a duplicate of the one used for the ballistic pendulum, details of which have already been given.
Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Herbert M. Wilson

One was the determination of the288 velocity of a bullet fired from a rifle into a Robins ballistic pendulum.
Lord Kelvin Andrew Gray

This cannon (Fig. 2) is similar to that used in the ballistic pendulum.
Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Herbert M. Wilson

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