2019saldabra
contestada

you use a lever to lift a heavy tree branch. you apply a force of 50 n and the lever lifts the branch with a force of 90 n. what is the mechanical advantage of the lever?

Respuesta :

lucic

Answer:

1.8

Explanation:

Mechanical advantage is given by the ratio of the load lifted to the force applied to lift the load

In this case Mechanical advantage=L/E where L is the load and E is the effort applied

Mechanical advantage= 90/50 =1.8

Answer:

3.5

Explanation:

checked on APEX