NOUN
- 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.
