Exercises
continued


How far away from the fulcrum must the red 5kg mass be in order to just lift the 10kg mass 10 metres away from the fulcrum? 

A How far away from the fulcrum must the red 5kg mass be in order to just lift the 10kg mass 10 metres away from the fulcrum? 

What is the maximum mass that the 10kg counter weight can just lift off the ground? 