A crane lifts a 400 N crate full of baked beans 15 m. How much work was done by the crane?
1 answer:
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Answer:
Explanation:
The gravitational force between two masses is inversely proportional to the square of the distance between them such that,
.....(1)
We have,
r₁ = 208 m, , r₂ = 416 m, F₂ = ?
Put all the values in relation (1) such that,
So, the required force is . Hence, the correct option is (d).