How much force will it take to lift a 10 pounds weight with a wheel and axle if the
axle is 2 inches in diameter and the wheel is 10 inches in diameter?
Ra⋅W=Rw⋅F→F=Ra⋅W/Rw=1⋅10/5=2 (lb)R_a\cdot W=R_w\cdot F\to F=R_a\cdot W/R_w=1\cdot10/5=2\ (lb)Ra⋅W=Rw⋅F→F=Ra⋅W/Rw=1⋅10/5=2 (lb)
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