Question

You use a lever with a M.A. of 40. How heavy a load can you lift with an effort of 120 N? *

Answer 1

Explanation:

given effort distance =80cm load distance =1m=100cm

VR=

loaddistance

effortdistance

VR=

100cm

80

VR=0.8

its, MA=

effort

load

MA=

20kgf

30kgf