6 m long see saw remains horizontal when two children

Last updated: 6/10/2023

6 m long see saw remains horizontal when two children weighing 20 kg and 30 kg respectively sit at two ends Where is the see saw supported A 3 6 m from 20 kg B 2 6 m from 30 kg 4 m from 20 kg 4 2 m from 30 kg C D