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Auntie Sarah mops the floor by applying a force of 9N at an angle of 60° to the floor, How much work has she done after mopping a total distance of 10m?
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Auntie Sarah mops the floor by applying a force of 9N at an angle of 60° to the floor, How much work has she done

after mopping a total distance of 10m?

User CRUSADER
by
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1 Answer

1 vote

Answer:

9×1/2×10=45J

Step-by-step explanation:


w = f * d * \cot( \beta )

f=9N

d=10m

cos(B)=1/2

User Lucatrv
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