Question

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?

Answer 1

9×1/2×10=45J

Step-by-step explanation:

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

f=9N

d=10m

cos(B)=1/2