The platform scale consists of a combination of third and first class levers so that the load on one lever becomes the effort that moves the next lever. Through this arrangement, a small weight can balance a massive object. (Figure 1) Part A If x=450 mm, determine the mass of the counterweight S required to balance a 80-kg load, L. Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 100 mm, 250 mm E CD 150 mm 150 mm H G 350 mm B HÅ ? < > ms = Value Units Submit My Answers Give Up Provide Feedback Continue