Work: a Crane Lifts a 425 Kg Steel Beam Vertically

Multiple Choice

Work: A crane lifts a 425 kg steel beam vertically a distance of How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s²? Neglect frictional forces.

A) 5.8 × 10⁵ J
B) 3.4 × 10⁵ J
C) 4.0 × 10⁵ J
D) 4.9 × 10^{5 J}