Circular MotionHardBloom L3
Question
A ring of radius r and mass per unit length m rotates with an angular velocity ω in free space. The tension in the ring is :
Options
A.zero
B.$\frac{1}{2}$mω2r2
C.mω2r2
D.mrω2
Solution
Sol. 
For small θ, sin θ = θ
2Tθ = 2mrθw2r
T = mω2r2
Create a free account to view solution
View Solution FreeMore Circular Motion Questions
A particle P of mass m is attached to a vertical axis by two strings AP and BP of length l each. The separation AB = l. ...A particle is in motion on the x-axis. The variation of its velocity with position is as shown. The graph is circle and ...A point mass m is suspended from a light thread of length, fixed at O, is whirled in a horizontal circle at constant spe...A Toy cart attached to the end of an unstretched string of length a, when revolved moves on a smooth horizontal table in...A spherically symmetric gravitational system of particles has a mass density ρ = where ρ0 is a constant. A tes...