Determine the work that a person does when lifting a bucket of water weighing 12.5 kg from a well 15 m deep.
| November 30, 2020 | education
To define work, you need to know the following formula:
A = F * s (A-work, F-force, s-path)
First, we find out the strength (F):
F = mg (F-force, m-mass, g-acceleration due to gravity)
F = 12.5 * 9.8 = 122.5 N
Now we can define the job:
A = 122.5 * 15 = 1 837.5 J
Answer: A = 1 837.5 J
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