VIBRATION & CONTROL LAB
Some experimental values of length (L), distance of masses(Y), time period (T)
are given below:
Sl
no
1
Length(L),cm
Y(cm)
Time period(T),in
sec
30
15
32
7.5
15
36
7.5
15
40
7.5
15
44
7.5
15
3.16
3.05
3.28
3.15
3.82
3.60
4.16
4.00
4.53
4.25
2
3
4
5
7.5
Take- b = 46 cm.
R = 6 cm.
Comparison:
Method
Auxiliary Mass method
Theoritically
Value of I(kg-m2)
Determine:
 Mass moment of inertia of rectangular bar.
Graph
 T2 vs L
Experiment-1
Im
Value of
I(kg-m2)