Wilberforce pendulum

短语

词形变化

Wilberforce pendulums 复数 Wilberforce pendulums

释义与例句

n.
  1. 1.

    A pendulum consisting of a mass suspended by a long helical spring and free to turn on its vertical axis, twisting the spring; used as a demonstration in physics education.

词源

Invented by British physicist Lionel Robert Wilberforce around 1896.

来源：wiktionary