Respuesta :
Both involve the use of a lever.
What is a lever?
A lever is an inflexible body able to rotate on a point itself. On the idea of the locations of fulcrum, load, and attempt, the lever is split into 3 sorts.
What are the 3 types of levers?
- first-class,
- second class
- third class.
Learn more about levers here https://brainly.com/question/416386
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