Problema Solution
a rod weighs 2 pounds per foot can be made to balance at a point 2 feet from one end by attaching a weight of 6 pounds to that end. how long is the rod
Answer provided by our tutors
let 'x' represent the weight on one side of the rod, then '2' is the weight of the rod to which '6' pounds is suspended:
x=2+6
x=8
the problem statement infers a uniform rod, so the whole rod is 10 feet and 6 pounds were attached to the 8 feet beyond the 2 feet point