On a double-sided lever the students should verify the law "force × force arm = load × load arm" and be able to present it as a formula.
Principle
On a double-sided lever the students should verify the law “force × force arm = load × load arm” and be able to present it as a formula.
In a supplementary problem the term moment of rotation can be treated and the law of the lever presented in the form “Sum of all moments of rotation = 0”.
Benefits

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