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jessica.so
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Homework Statement
Two children balance on a seesaw. One, with a mass of 30 kg, is seated 2.0 m from the pivot. The other is seated 2.5 m from the pivot. What is the mass of the second child?
Homework Equations
N/A
The Attempt at a Solution
I drew the diagram of the two children and I found the force of gravity acting on the first child:
Fg=mg ; Fg=(30 kg)(9.8 m/s/s) ; Fg = 294N
I know that the Net Force would be 0 because the seesaw is balanced.
And then...I don't know what to do...