H.W.10 Rigid bar ABCD is supported by two bars as shown in Figure P2.7. There is no strain in the vertical bars before load P is applied. After load P is applied, the normal strain in bar (2) is mea- sured as -3,300 um/m. Use the dimensions L1 = 1,600 mm, L2 = 1,200 mm, a = 240 mm, b= 420 mm, and c = 180 mm. Determine (a) the normal strain in bar (1). (b) the normal strain in bar (1) if there is a 1 mm gap in the connection at pin C before the load is applied. (c) the normal strain in bar (1) if there is a 1 mm gap in the connection at pin B before the load is applied. (1) Rigid bar C D (2)

H.W.10 Rigid bar ABCD is supported by two bars as shown in Figure P2.7. There is no strain in the vertical bars before load P is applied. After load P is applied, the normal strain in bar (2) is mea- sured as -3,300 um/m. Use the dimensions L1 = 1,600 mm, L2 = 1,200 mm, a = 240 mm, b= 420 mm, and c = 180 mm. Determine (a) the normal strain in bar (1). (b) the normal strain in bar (1) if there is a 1 mm gap in the connection at pin C before the load is applied. (c) the normal strain in bar (1) if there is a 1 mm gap in the connection at pin B before the load is applied. (1) Rigid bar C D (2)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

H.W.10 Rigid bar ABCD is supported by two bars as shown in
Figure P2.7. There is no strain in the vertical bars before load P is
applied. After load P is applied, the normal strain in bar (2) is mea-
sured as -3,300 µm/m. Use the dimensions L1 = 1,600 mm, L2 =
1,200 mm, a = 240 mm, b = 420 mm, and c = 180 mm. Determine
(a) the normal strain in bar (1).
(b) the normal strain in bar (1) if there is a 1 mm gap in the
connection at pin C before the load is applied.
(c) the normal strain in bar (1) if there is a 1 mm gap in the
connection at pin B before the load is applied.
(1)
a
Rigid bar
B
L
(2)

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