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A 1000N force is applied to a bracket as shown.


A 1000N force is applied to a bracket as shown. The part is made from cast iron. Using the Modified Mohr 1 Theory and a factor of safety of 3, specify a safe diameter for the bar. Material ASTM Class 40 Gray Cast iron 

Sut = 293.03 MPa, Suc = 965.27 MPa 

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engineering   Mechanical-Engineering   
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Answer #5

Transfer the force 1000N at point A :- * By 1000N → A vertical Force and @ a torque (1) will appears at point A. ta ta (1000x√58* + 4 + IG Tx sox 4 + 5 Ox 2 rsox 4 2 Given, FOS: 3 Sut : 213.03mpo; Sur=-96-5--27-14 par Now ogs For Avoid failure, Sut S

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Answer #1

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Answer #4

M=1000 Ptast at - T= 1OOOx 100 mm = 100 Nm Total is more The effect offect of of force 1000N critical in me base agence sence

This summation can outside root, Taking 16 Eb Eba noro w 1018.59 - 1037525,6 + 1621140.d? +259 345,7 18 d3 d3 +1296820.d = 10

6 2157,392 = 293.03 x10 d3 3 5.7 d3 2.2087x16 d = 0.028 m d - - 28,057 mm 3

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Answer #3

M = 1000x 0.2 M= 200 Nm → To prevent from failure by Tensile 32M Gut FOS LOON бь Tid3 100Nm 32x200x10 Nd3 < 293.03 3 200mm. d

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Answer #2

Soh Griven Data :- 1 P = 1000 N fos; N=3 ) Sut = 293.03 MPa Suc = 965.27 MPa P = 1000 N T= (1000X0.17 100 Nm lii, Tarsoinal S

2 A es 1 0, 1,2 حیا در ✓ 6+4 7² 2 0212= 6400 2 3200 Td² 1600 75d3 2 Os12 3200 3577.71 Tid Trd 3 677771 O2= 377.71 Td² Tid? No

677771 97.677 X 106 3 Tid 3 d= 0.028057 m d= 28.057 mm Now, 377.71 - 2 ITX (0.02805733 O2- - 5.44 MPa 10zl s l Suel .. This c

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