pls answer question a and b sir pls use this matrix num sir (ad 200153)
pls answer question a and b sir pls use this matrix num sir (ad 200153)
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter2: Axially Loaded Members
Section: Chapter Questions
Problem 2.2.12P: A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal aim AB (length b = 30...
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pls answer question a and b sir
pls use this matrix num sir (ad 200153)
subject (vibration)
Transcribed Image Text:k1
x1(1)
k2
m2
*2(t)
k3
Figure Q2
![Q2 A mass-spring system is shown in Figure Q2 with m = 10 kg, m2 = 20 kg, ki = (10+P)
N/m, k2 = (10+Q) N/m and k3 = (20+R) N/m.
(a) Draw a free body diagram for the system by assuming that the system is made to
vibrate freely in vertical direction.
(b) Examine that the equation of motion for the system as:
m,
0 ]ä,l [(k, +k,) -k, J%)
0 m2
-k,
(k, +k, )]\x2
Note Q2: The values of P, Q and R depend on the respective 4th, 5th, and 6th digits
of your matric number as in the following number format: AD XXXPQR. For
example, if your matric number is AD 170154 gives the value P = 1, Q = 5 and R =
4, thus the spring stiffness, kį = 11 N/m, k = 15 N/m, and k3 = 24 N/m respectively.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2bc07110-ded1-48bd-8720-7109721ff851%2F26b3e686-7cf2-45bc-a94a-dff4f7d7b25c%2Fax46s3_processed.png&w=3840&q=75)
Transcribed Image Text:Q2 A mass-spring system is shown in Figure Q2 with m = 10 kg, m2 = 20 kg, ki = (10+P)
N/m, k2 = (10+Q) N/m and k3 = (20+R) N/m.
(a) Draw a free body diagram for the system by assuming that the system is made to
vibrate freely in vertical direction.
(b) Examine that the equation of motion for the system as:
m,
0 ]ä,l [(k, +k,) -k, J%)
0 m2
-k,
(k, +k, )]\x2
Note Q2: The values of P, Q and R depend on the respective 4th, 5th, and 6th digits
of your matric number as in the following number format: AD XXXPQR. For
example, if your matric number is AD 170154 gives the value P = 1, Q = 5 and R =
4, thus the spring stiffness, kį = 11 N/m, k = 15 N/m, and k3 = 24 N/m respectively.
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