What are fulcrums?

Answer:

A fulcrum is the turning point of a lever i.e. The hinge on a door.
It is essential to know when learning about the law of the lever i.e.
The distance from the fulcrum X force applied on the right hand side = The distance from the fulcrum X force applied on the left hand side.
IF the lever is balanced.
This can also be written as anticlockwise moments = clockwise moments.

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