$F=258kN$

Previous Answers

An engineer measures the forces exerted by the soil on a

$10-m$ section of a building foundation shown in $($Figure $1)$

and finds that they are described by the distributed load

$w=-7x-x^2+0\mathrm{.}17x^{3}k\frac{N}{m}.$

Figure

Correct

Part B

Determine the magnitude of the moment about A due to the distributed load.

Express your answer to three significant figures and include the appropriate units.

$M_A=$