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Note the use of the \ [[1]] to get rid of the curly brackets in the evaluated quantity\ \>", "Text", CellChangeTimes->{{3.4674237051210003`*^9, 3.467423711512*^9}, { 3.46749035629*^9, 3.4674903876940002`*^9}, {3.468097659529455*^9, 3.4680976611206245`*^9}, {3.469474015368101*^9, 3.469474020406804*^9}}], Cell[CellGroupData[{ Cell[BoxData[ RowBox[{"N", "[", RowBox[{"ArcSin", "[", RowBox[{ FractionBox["2", "3"], RowBox[{"Sin", "[", RowBox[{"\[Pi]", "/", "3"}], "]"}]}], "]"}], "]"}]], "Input", CellChangeTimes->{{3.4673938975646706`*^9, 3.467393934551796*^9}}], Cell[BoxData["0.6154797086703874`"], "Output", CellChangeTimes->{{3.467393927453887*^9, 3.4673939348793917`*^9}, 3.467394066026911*^9, 3.4674237181514997`*^9, 3.46746414887282*^9, 3.467475309477*^9, 3.467490393553*^9, 3.46809797802853*^9, 3.4694740238387384`*^9, 3.50003690368303*^9, 3.500046958811553*^9, 3.500053444259653*^9, 3.5000568050802717`*^9}] }, Open ]], Cell["At this point the force from the floor is ", "Text", 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