You must solve all questions. The aluminum bar has a 40mm diameter and 600mm length. It is held stationary at the origin on the left end. On the right end is a wrench that is 70i+220j mm from the connection to the rod to where the force is applied. At that point, a force of -7000i+800j N is applied. a) What is the mass of the bar? b) What is the moment applied by the wrench? c) What is the maximum normal stress due to this moment? d) What is the yield factor of safety for this stress?

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.3P: Convert the following: (a) 400lbft to knm; (b) 6m/s to mi/h; (c) 20lb/in.2 to Pa; and (d)...
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The aluminum bar has a 40mm diameter and 600mm length. It is held stationary at the origin on the left end. On the right end is a wrench that is 70i+220j mm from the connection to the rod to where the force is applied. At that point, a force of -7000i+800j N is applied.

a) What is the mass of the bar?

b) What is the moment applied by the wrench?

c) What is the maximum normal stress due to this moment?

d) What is the yield factor of safety for this stress?

Property
Young's modulus, E
Shear modulus, G
Poisson's ratio, v
Yield strength, Sy
Shear yield strength, Ssy
Density
Aluminum
Steel
units
69,000 207,000 | MPa
26,000
80,000 MPa
0.333
0.3
276
600 MPa
207
350 MPa
2700
8000 kg/m3
Transcribed Image Text:Property Young's modulus, E Shear modulus, G Poisson's ratio, v Yield strength, Sy Shear yield strength, Ssy Density Aluminum Steel units 69,000 207,000 | MPa 26,000 80,000 MPa 0.333 0.3 276 600 MPa 207 350 MPa 2700 8000 kg/m3
y
F
Transcribed Image Text:y F
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