Expression for normal and shear stress, Mechanical Engineering

Assignment Help:

Expression for normal and shear stress:

Derive expression for normal and shear stress on the plane AE inclined at an angle B with AB subjected to the direct stresses of compressive nature (both) of σx and  σy on 2 mutually

perpendicular stresses as shown in the figure given below.
 
Sol.: Consider unit thickness of element. Applying the equations of equilibrium to free body diagram of wedge ABE.

1122_Expression for normal and shear stress.png

Let σn and  τ be normal and shear stresses on plane AE.
67_Expression for normal and shear stress1.png 
By multiplying the equation (iii) by sin θ, (iv) by cos θ and subtracting
505_Expression for normal and shear stress2.png 
Also by multiplying equation (iii) by cos θ and 4 by sin θ and then adding.
1161_Expression for normal and shear stress3.png


Related Discussions:- Expression for normal and shear stress

Various components of transmission system , Various Components of Transmiss...

Various Components of Transmission System Primary Drive Gear : It is mounted on crankshaft. It transfers power to primary driven gear. Primary Driven Gear : It is

What are the types of material used for making spanners?, (a) What are the ...

(a) What are the types of material used for making spanners? What are the uses of spanners? (b) Write down the uses of following tools and make neat sketches of the same : (i

Hierarchical system structure, Ask question #Minimum 100 words awrite short...

Ask question #Minimum 100 words awrite short note on the the hierarchical system structure involving various level

Illustrate strip rolling, a) In strip rolling what is i) Forward slip ii) N...

a) In strip rolling what is i) Forward slip ii) Neutral point. Illustrate with diagram. b) State the conditions for rolling.

Why we need additives explain, Q. Why we need additives explain? Additi...

Q. Why we need additives explain? Additives are the materials added in small quantities to the moulding sand in order to enhance its exiting properties and to impart to it spec

Convert the flow-rate of a compressor, Convert the flow-rate from Am3/h to ...

Convert the flow-rate from Am3/h to Sm3/h Consider a compressor (model ABC-Z4).  The compressor has a suction pressure of 3 barg, and a discharge pressure of 6 barg.  The inlet

Calculate energy and entropy - thermodynamics, Thermodynamics. Justify that...

Thermodynamics. Justify that it is the science to calculate energy, energy and entropy. Sol : Thermodynamics is science which deals with conversion of heat into mechanical e

Determine the loading on the beam, Determine the loading on the beam: ...

Determine the loading on the beam: Shear force diagram for a loaded beam is illustrated in Figure. Determine the loading on the beam & therefore, draw the bending moment diagr

What do you understand by resolution of force system, (a) The following for...

(a) The following forces (all pull) act at a point : (6) (i) 20 N North-East (ii) 25 N due North (iii) 20 N 30o East of South (iv) 15 N due East (v) 30 N 60o South o

Determine tension in the rope - motion of lift, Determine tension in the ro...

Determine tension in the rope: An elevator cage of mineshaft, weighing 8KN when, is lifted or lowered by means of wire rope. Once man weighing 600N entered it and lowered wit

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd