In Exercises 7 and 8, consider a beam of length with a fulcrum feet from one end (see
Chapter 7, Problem 8(choose chapter or problem)
In Exercises 7 and 8, consider a beam of length with a fulcrum feet from one end (see figure). There are objects with weights and placed on opposite ends of the beam. Find such that the system is in equilibrium. In order to move a 550-pound rock, a person weighing 200 pounds wants to balance it on a beam that is 5 feet long.
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