Homework Help: physics

Posted by alex on Tuesday, February 28, 2012 at 10:26am.

A boy of mass 23 kg sits on a seesaw 1.5 m from the axis of rotation. At what
distance from the axis of rotation must his friend, whose mass is 21 kg, be
positioned to balance the seesaw? [6 marks]

physics - MathMate, Tuesday, February 28, 2012 at 2:52pm
Equate moments about fulcrum:
23*1.5=21*x
Solve for x.

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