An object with a mass of 78 kilograms is lifted through a height of 6 meters. How much work is done? A. 47.75 J B. 4,586.4 J C. 764.4 J D. 468 J
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Work done = mgh
Where m = mass in kg, g = gravity in m/s², h = height in m. W is in J
m = 78 kg, g = 9.8m/s², h = 6m
W = 78 * 9.8 * 6 = 4586.4 J
Where m = mass in kg, g = gravity in m/s², h = height in m. W is in J
m = 78 kg, g = 9.8m/s², h = 6m
W = 78 * 9.8 * 6 = 4586.4 J
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