In the overhead view of, a long uniform rod of mass m0.6 Kg is free to rotate in a horizontal planeabout a vertical axis through its center .A spring

Sinead Mcgee

Sinead Mcgee

Answered question

2021-05-10

In the overhead view of, a long uniform rod of mass m0.6 Kg is free to rotate in a horizontal planeabout a vertical axis through its center .A spring with force constant k = 1850 N/m is connected horizontally betweenone end of the rod and a fixed wall. When the rod is in equilibrium, it is parallel to the wall. What isthe period of the small oscillations thatresult when the rod is rotated slightly and released?

Answer & Explanation

oppturf

oppturf

Skilled2021-05-12Added 94 answers

In the overhead view of, a long uniform rod with mass (m = 0.6 kg) is free to rotate along a vertical axis that runs through its center in a horizontal plane.
A horizontal spring connection is made between one end of the rod and a fixed wall with a force constant of k = 1850 N/m.
The rod is parallel to the wall when it is in an equilibrium state.
Let T represent the duration of the minute oscillations that occur when the rod is spun and then released.
Let rod ( length L) rotates by angle (θ)
If "F" is the force exerted on the rod, the spring will extend by that amount. (x)=Lθ2
Since , the moment of force (τ)=FL2
Or (τ=FL2=kLθ2L2 
=kL24θ
So, the time period (T)=2πlC
where I=mL212
C=kL24
So, T=2πm3k
Here m=0.6 kg and k=1850 N/m
T=0.06533s

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