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You should be able to double-click on a feature, then double-click on the pertinent dim to change it. This is what they're looking for. If the model has been created properly, then everything will update accordingly, maintaining design intent, with the simple dim change.
Agreed Jeff, unfortunately the test does not really test that. You could model everything bottom up, and manually change several answers and achieve the correct answer. It will not be as elegant, or fast, but the test will give you full credit.
Also, the only thing they are looking for is that the user typed in the correct center of mass (or mass). How the correct result was achieved is lost. Any mis-typed result is wrong. But diligence can take care of that.
draftsman101 said:So, does anyone know whether or not every test is the same?
.0023 expressed to two decimal points is 2.3x10-3, not .00