Question

A uniform metre ruler can be balance at the 70.0 centimetres when a mass 0.05 Kg is hung from the 94.0 CM Mark
draw a diagram of the arrangement second find the mass of the metre ruler

Answer 1

diagram idk how to show you but the mass of meter rule is

according to principle of monement the

A.C.W.M=C.W.M

so

m*(70-50)=24*0.05

20m=1.2

m=1.2/20

m=0.06