《力和机械》单元测试题一（参考答案）

力和机械单元测试题一（参考答案）DIV.MyFav_1321585789653 P.MsoNormalTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: windowtext; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 LI.MsoNormalTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: windowtext; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 DIV.MsoNormalTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: windowtext; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 P.MsoHeaderBORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; COLOR: windowtext; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: Times New Roman; TEXT-ALIGN: centerDIV.MyFav_1321585789653 LI.MsoHeaderBORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; COLOR: windowtext; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: Times New Roman; TEXT-ALIGN: centerDIV.MyFav_1321585789653 DIV.MsoHeaderBORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; COLOR: windowtext; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: Times New Roman; TEXT-ALIGN: centerDIV.MyFav_1321585789653 P.MsoFooterFONT-SIZE: 9pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; FONT-FAMILY: Times New RomanDIV.MyFav_1321585789653 LI.MsoFooterFONT-SIZE: 9pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; FONT-FAMILY: Times New RomanDIV.MyFav_1321585789653 DIV.MsoFooterFONT-SIZE: 9pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; FONT-FAMILY: Times New RomanDIV.MyFav_1321585789653 P.MsoBodyTextTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 LI.MsoBodyTextTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 DIV.MsoBodyTextTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 P.MsoBodyTextIndentTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 8.65pt 0cm 0pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; TEXT-INDENT: 21pt; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 LI.MsoBodyTextIndentTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 8.65pt 0cm 0pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; TEXT-INDENT: 21pt; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 DIV.MsoBodyTextIndentTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 8.65pt 0cm 0pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; TEXT-INDENT: 21pt; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 P.MsoPlainTextTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: windowtext; FONT-FAMILY: 宋体; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 LI.MsoPlainTextTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: windowtext; FONT-FAMILY: 宋体; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 DIV.MsoPlainTextTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; COLOR: windowtext; FONT-FAMILY: 宋体; TEXT-ALIGN: justifyDIV.MyFav_1321585789653 PFONT-SIZE: 12pt; MARGIN-LEFT: 0cm; COLOR: black; MARGIN-RIGHT: 0cm; FONT-FAMILY: 宋体DIV.MyFav_1321585789653 DIV.Section1page: Section1DIV.MyFav_1321585789653 OLMARGIN-BOTTOM: 0cmDIV.MyFav_1321585789653 ULMARGIN-BOTTOM: 0cm一、选择题1D 2D 3D 4B 5D 6D 7D 8B 9C 10A二、填空题