Question

there are three boxes sitting on top of each other. The bottome weighs 25N, the middle weighs 20N, the top weighs 10N. How do you find the force exerted on each of the boxes???

Answer 1

it's actually kg, not N

Answer 2

\[f _{1}=m _{1}*g\] \[f _{2}=(m _{1}+m _{2})\times g\]
\[f _{3}=(m _{1}+m _{2}+m _{3})\times g\]