Seesaw dog
A boy (mass
) wishes to play on a centrally pivoted seesaw with his dog Irving (mass
). When the dog sits
from the pivot, where must the boy sit if the
long board is to be balanced horizontally?
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1 solution
Total moment around the pivot point should be zero or there is no see saw ... Thus, 30kg x Distance = 10kg x 3.0m which gives distance = 1.0 m