## anonymous 3 years ago A crane lifts a 425 kg steel beam vertically a distance of 66 m. How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s2? Neglect frictional forces

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1. Hunus

$W=F*d$ $F=ma$ $W=(ma)*d$ $W=((425 kg)(\frac{1.8 m}{s^2}))*66m$