Swing

A child weighing 12 kg is sitting on a swing at 130 cm from the rotation axis. How far away from the rotation (center) axis must he sit down his mother weighs 57 kg if she wants to be swung in balance.

Correct answer:

x =  27.37 cm

Step-by-step explanation:

m1=12 kg m2=57 kg l1=130 cm  M1=M2  m1 l1=m2 x 12 130=57 x  57x=1560  x=571560=27.36842105  x=1952027.368421=27.37 cm



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