veorajackson2 veorajackson2

26-05-2019
Chemistry

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How much force is required to lift a rock a vertical distance of 8 m if 80 j of work were done

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romannp romannp

27-05-2019

we have

work done (W)= force(F) × displacemen(s)

or, 80= F× 8

or, F= 10 N

therefore, 10 N force is required to lift the rock.

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