A rigid bar ABDE is being attached to a wall via a pin at A and alloy steel rod BC (E = 250 GPa). BC is pin-connected at its end. Loads of 2.5 kN and 1.0 kN are applied at D and E, respectively as shown in Figure Q2. All the pins have a diameter of 10 mm. Determine: a) Normal stress in rod BC b) Shear stress in pin A and C. Pin C is connected in single shear and pin A is in double shear. c) Resultant internal loadings at the midpoint of bar AB. 0.3 m 12 mm diameter rod 0.4 m B Figure Q2 0.3 m 2.5 kN 0.3 m 1.0 KN E

A rigid bar ABDE is being attached to a wall via a pin at A and alloy steel rod BC (E = 250 GPa). BC is pin-connected at its end. Loads of 2.5 kN and 1.0 kN are applied at D and E, respectively as shown in Figure Q2. All the pins have a diameter of 10 mm. Determine: a) Normal stress in rod BC b) Shear stress in pin A and C. Pin C is connected in single shear and pin A is in double shear. c) Resultant internal loadings at the midpoint of bar AB. 0.3 m 12 mm diameter rod 0.4 m B Figure Q2 0.3 m 2.5 kN 0.3 m 1.0 KN E

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

2. A rigid bar ABDE is being attached to a wall via a pin at A and alloy steel rod BC
(E=250 GPa). BC is pin-connected at its end. Loads of 2.5 kN and 1.0 kN are applied
at D and E, respectively as shown in Figure Q2. All the pins have a diameter of 10
mm.
Determine:
a) Normal stress in rod BC
b) Shear stress in pin A and C. Pin C is connected in single shear and pin A is in double
shear.
c) Resultant internal loadings at the midpoint of bar AB.
0.3 m
с
12 mm diameter rod
0.4 m
B
Figure Q2
0.3 m
2.5 kN
D
0.3 m
1.0 kN
E
[Ans: a) GBC=27.63 MPa b) t₁ = 15.91 MPa; tc = 39.79 MPa, c) N = 2.5 kN, V=0.38
kN, M = 76 Nm]

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