Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 28
FIG. 9. — Four pulley systems. there is no friction, the force is equal to the weight divided bythe number of ropes supporting the weight. In (i) the weight is 10 Ib. and there is one rope supporting it.The force which must be applied to the spring balance to supportthe weight is 10 Ib. 13 14…
Physics · Home Economics
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