A three-point bending test is performed on a glass specimen having a rectangular cross section of height 4.1 mm and width 11.9 mm; the distance between support points is 41 mm. (a) Calculate the flexural strength (in MPa) if the load at fracture is 290 N. ofs i (b) The point of maximum deflection Ay occurs at the center of the specimen and is described by the expression FL³ 48 EI Ay = MPa where E is the modulus of elasticity and I the cross-sectional moment of inertia. Calculate Ay of 265 N. Assume that the elastic modulus for the glass is 63 GPa. i Ay =

A three-point bending test is performed on a glass specimen having a rectangular cross section of height 4.1 mm and width 11.9 mm; the distance between support points is 41 mm. (a) Calculate the flexural strength (in MPa) if the load at fracture is 290 N. ofs i (b) The point of maximum deflection Ay occurs at the center of the specimen and is described by the expression FL³ 48 EI Ay = MPa where E is the modulus of elasticity and I the cross-sectional moment of inertia. Calculate Ay of 265 N. Assume that the elastic modulus for the glass is 63 GPa. i Ay =

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

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Question

A three-point bending test is performed on a glass specimen having a rectangular cross section of height 4.1 mm and width 11.9 mm;
the distance between support points is 41 mm.
(a) Calculate the flexural strength (in MPa) if the load at fracture is 290 N.
ofs
i
(b) The point of maximum deflection Ay occurs at the center of the specimen and is described by the expression
FL³
48 EI
Ay =
MPa
where E is the modulus of elasticity and I the cross-sectional moment of inertia. Calculate Ay of 265 N. Assume that the elastic
modulus for the glass is 63 GPa.
i
Ay =

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