The lever-actuated scale consists of a series of compound levers. If a load of weight is placed on the platform, determine the required weight W = 150 lb of the counterweight S to balance the load. Is it necessary to place the load symmetrically on the platform?Explain.

Transcribed Image Text:

1.25 in. 4in-l 4.5 in. 1.5 in. -7.5 in. 7.5 in.- 1.5 in. IC ind.