Answer:
w=2.25
Explanation:
It is necessary to determine the maximum w so that the normal stress in the AB and CD rods does not exceed the permitted normal stress.
The surface of the cross-section of the stapes was determined:
A_ab= 10 mm^2
A-cd= 15 mm^2
The maximum load is determined from the condition that the normal stresses is not higher than the permitted normal stress σ_allow.
σ_ab = F_ab/A_ab
σ_allow
σ_cd = F_cd/A_cd
σ_allow
In the next step we will determine the static size: Picture b).
We apply the conditions of equilibrium:
∑F_x=0
∑F_y=0
∑M=0
∑M_a=0 ==> -w*6*0.5*6*0.75*F_cd*6 =0
==> F_cd = 2*w*k*N
∑F_y=0 ==> F_cd+F_ab - 6*w*0.5 ==>2*w+F_ab -6*w*0.5 =0
==> F_ab = w*k*N
Now we determine the load w
<u>Sector AB: </u>
σ_ab = F_ab/A_ab
σ_allow=300 KPa
= w/10*10^-6
σ_allow=300 KPa
w_ab = 3*10^-3 kN/m
<u>Sector CD: </u>
σ_cd = F_cd/A_cd
σ_allow=300 KPa
= 2*w/15*10^-6
σ_allow=300 KPa
w_cd = 2.25*10^-3 kN/m
w=min{w_ab;w_cd} ==> w=min{3*10^-3;2.25*10^-3}
==> w=2.25 * 10^-3 kN/m
<u>The solution is: </u>
w=2.25 N/m
note:
find the attached graph
Answer:
Engineering and the Engineering management
Explanation:
Systems engineering is a discovery process that includes managing and designing complex systems to formalize the various new research approach or methods.
It is an interdisciplinary holistic approach or field that is comprised of <u>engineering and the engineering management.</u>
The three types of systems engineering are: Product Systems Engineering, Enterprise Systems Engineering and Service Systems Engineering.
Answer:
Explanation:
Given



From Clausius inequality
=Reversible cycle
=Irreversible cycle
=Impossible
(a)For 
Rejected heat 


thus it is Impossible cycle
(b)



Possible
(c)Carnot cycle




and maximum Work is obtained for reversible cycle when operate between same temperature limits

Thus it is possible
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