Question
Answer the following.
State the principle of levers.

Answer

The principle of a lever states that the product of the load and the load arm is always equal to the product of the effort and the effort arm.
Load x Load arm = Effort x Effort arm Load Effort arm
$
\frac{\text { Load }}{\text { Effort }}=\frac{\text { Effort arm }}{\text { Load arm }}
$
The above ratio is called the mechanical advantage of a lever.

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