Answer
$3.34 \ kN$
Work Step by Step
We first find the mass on earth:
$ m = \frac{8.82 \ kN}{9.81 \ m/s^2}= 899\ kg $
We use the gravitational constant for Mars to find:
$w = (3.71 m/s^2)(899kg)=3.34 \ kN$
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