dont give wrong solution Figure Q2-2 shows a schematic of a retractable landing gear of aircraft.The retraction mechanism is a 4 bar linkage (O1ABO2), which is actuatedby a hydraulic cylinder and piston, D, pivoted at E with a joint at C to linkO,A.Hydraulic cylinder& piston DJoint for landinggear wheelFigure Q2-2Use the Gruebler's equation of DoF (Degrees of Freedom) of alinkage mechanism to assess if the landing gear produces therequired retraction motion. 0,02 may be considered as the groundlink.i)Hint: The joint of the wheel is not part of the linkage mechanism.The number of DoF may be used to check if it is a linkage withcertain motions or a fixed structure.ii)The dimensions of the 4 bar linkage (O1ABO2) are measured asO102 = 800 mm, O1A = 780 mm, AB = 200 mm and O2B = 400mm. Use Grashof condition to determine the specific type of thislinkage.You may find the Gruebler's equation useful:M = 3(L – 1) – 2Jwhere, M is degree of freedom (DoF)L is number of linksJ is number of joints

(i) Stick diagram of the landing gear without the joint of the wheel,

Figure Q2-2 shows a schematic of a retractable landing gear of aircraft. The retraction mechanism is a 4 bar linkage (01ABO2), which is actuated by a hydraulic cylinder and piston, D, pivoted at E with a joint at C to link 0;A. Hydraulic cylinder & piston D A B Joint for landing gear wheel Figure Q2-2 Use the Gruebler's equation of DoF (Degrees of Freedom) of a linkage mechanism to assess if the landing gear produces the required retraction motion. 0,02 may be considered as the ground link. Hint: The joint of the wheel is not part of the linkage mechanism. The number of DoF may be used to check if it is a linkage with certain motions or a fixed structure. i) The dimensions of the 4 bar linkage (O1ABO2) are measured as O102 = 800 mm, O1A = 780 mm, AB = 200 mm and O2B = 400 mm. Use Grashof condition to determine the specific type of this linkage.

Figure Q2-2 shows a schematic of a retractable landing gear of aircraft. The retraction mechanism is a 4 bar linkage (01ABO2), which is actuated by a hydraulic cylinder and piston, D, pivoted at E with a joint at C to link 0;A. Hydraulic cylinder & piston D A B Joint for landing gear wheel Figure Q2-2 Use the Gruebler's equation of DoF (Degrees of Freedom) of a linkage mechanism to assess if the landing gear produces the required retraction motion. 0,02 may be considered as the ground link. Hint: The joint of the wheel is not part of the linkage mechanism. The number of DoF may be used to check if it is a linkage with certain motions or a fixed structure. i) The dimensions of the 4 bar linkage (O1ABO2) are measured as O102 = 800 mm, O1A = 780 mm, AB = 200 mm and O2B = 400 mm. Use Grashof condition to determine the specific type of this linkage.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

dont give wrong solution

Figure Q2-2 shows a schematic of a retractable landing gear of aircraft.
The retraction mechanism is a 4 bar linkage (O1ABO2), which is actuated
by a hydraulic cylinder and piston, D, pivoted at E with a joint at C to link
O,A.
Hydraulic cylinder
& piston D
Joint for landing
gear wheel
Figure Q2-2
Use the Gruebler's equation of DoF (Degrees of Freedom) of a
linkage mechanism to assess if the landing gear produces the
required retraction motion. 0,02 may be considered as the ground
link.
i)
Hint: The joint of the wheel is not part of the linkage mechanism.
The number of DoF may be used to check if it is a linkage with
certain motions or a fixed structure.
ii)
The dimensions of the 4 bar linkage (O1ABO2) are measured as
O102 = 800 mm, O1A = 780 mm, AB = 200 mm and O2B = 400
mm. Use Grashof condition to determine the specific type of this
linkage.
You may find the Gruebler's equation useful:
M = 3(L – 1) – 2J
where, M is degree of freedom (DoF)
L is number of links
J is number of joints

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