With the help of a crane, a load weighing 23 kN was lifted to a height of 80 cm. Determine the work performed.
| March 1, 2021 | education
Data: P (weight of the load lifted by the crane) = 23 kN = 23 * 10 ^ 3 N; h (lifting height) = 80 cm = 0.8 m.
The work performed by the indicated crane: A = Ft * S = P * h = 23 * 10 ^ 3 * 0.8 = 18.4 * 10 ^ 3 J.
Answer: The work performed is 18.4 kJ.
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