ballistic pendulum

NOUN
  1. a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity

How To Use ballistic pendulum In A Sentence

  • With the advent of affordable and reliable chronographs, the cumbersome ballistic pendulum was relegated to the scrap heap of history.
  • Robins also invented the ballistic pendulum which allowed precise measurements of the velocity of projectiles fired from guns.
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