Answer Key
Questions and Answers - Force Needed to Stetch a Wire
-
University
Princeton University Course
PHY 103 | General Physics IPages
4
Academic year
2023
-
abdulsalam23745
Views
0
!Two wires are made of sam e material and have sanglume The first wire has (rosssectional area 'A' the second wire hay (noss sectional and BA, if the length of thewifirst wire is intreeseel by Al on applying force. HOW much forcesis to second wire on the danp amount needed stretch the
aN: DL= F.L A.Y ) 3l 1 Al=3Al Al=(F' 3AY 71 - 2 Ay F 31 = ( El 3AY ) F'= 9F
? Two wires Of same len- gthand sameracics CUMORI
radii (n'and'2r' strectched by 28 force'f' and F respect. ively to produce equal elonga, Theratioof Flof tion ans: F f Y FL A AL F = AYAL Fa A = Tr2 F. = r' Did f (20) with
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Questions and Answers - Force Needed to Stetch a Wire
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