Fulcro

The video tutorial introduces the concept of fulcrums, explaining that a fulcrum is the pivot point around which a lever rotates. It provides examples of fulcrums in everyday tools like scissors and bottle openers, highlighting their importance in the function of levers. The tutorial also explores the relationship between fulcrums and wheels, noting that wheels act as rotating levers with a central fulcrum. The video concludes with a reflection on the understanding of fulcrums and their role in mechanical systems.

What happens to wheels without a fulcrum?

Reflect on the analogy of lifting a barbell. What part of the body acts as a fulcrum?