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Lever Principle
(The Principle of Moments)

A lever is balanced when the product of load and the distance of load from the fulcrum equals the product of effort and the distance of effort from the fulcrum.

Load (N) X distance from fulcrum (m) = Effort (N) X distance from fulcrum (m)
where
N = Newton (SI unit for Force)
(Load and Effort are examples of Forces)

and

m = metre (SI unit for length)

Prinsip Tuas
Prinsip Momen

Suatu tuas berada dalam keseimbangan apabila hasildarab beban dengan jarak beban dari fulkrum sama dengan hasildarab daya dengan jarak daya dari fulkrum
Beban (N) X jarak beban dari fulkrum (m) = Daya (N) X jarak daya dari fulkrum (m)

di mana

N = Newton (unit SI untuk daya)
dan
m = meter (unit SI bagi panjang)

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