Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 5 (Q.No. 45)
45.
The equation of motion for a single degree of freedom system with viscous damping is . The damping ratio of the system is
9/8
9/82
9/16
9/128
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Ganeshr said:   4 years ago
@Jacob.

Cc is the critical damping coefficient not the damping ratio.

You are Correct, agree with you @Ramaiya.M.

Jacob evans said:   7 years ago
cc = 2√ m*k.
cc = 2√ 4*16.
cc = 16.

Ramaiya.m said:   1 decade ago
Given:

m = 4, c = 9 & s = 16.

Damping factor = (c/cc).

w = sqr of s/m = 2.

cc = 2mw = 2*4*2 = 16.

c/cc = 9/16.

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