Question

A boy and a girl on aplay ground see saw .The see saw has a mass of 30kg and is pivoted at it's center.Their mother has to hold the girl end in order to keep the see saw level .The boys mass 50kg and girl mass is 30kg .Calculate the turning effect of the boys weight about pivote,distances are 2m from boy to pivote,from pivote to girl 2 m,from girl to mother 2m
Get the answer as soon as possible
m g d = 50 * 9.81 * 2

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