
thumb|right|400px|A simple crane
thumb|right|400px|A simple crane
A counterweight is a weight that, by applying an opposite force, provides balance and stability of a mechanical system. The purpose of a counterweight is to make lifting the load faster and more efficient, which saves energy and causes less wear and tear on the lifting machine.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).