jellel
contestada

What will occur if you increase the effort arm on a lever?

A.It will increase the amount of force needed

B.It will decrease the amount of force needed

C.It will not change the amount of force needed

D.The amount of force needed would vary

Respuesta :

If you make the effort arm, or side that is being pushed down longer, less force would be needed because it would move a greater distance so B.

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