Moment of Inertia of flywheel and its uses

Moment of Inertia of fly wheel

A flywheel is a heavy metal disc capable of rotation about a horizontal or a vertical axis. W is the flywheel and PQ is the axle. The wheel rotates about the axis XY. P is a pin attached to the axle. One end of the thread is attached to the pin and the other end of the thread carries a mass m, when the flywheel is at rest, let A be the initial position of mass m. When the mass is allowed to move down freely, just after release, the flywheel is set into rotation. The lenght of the thread is suitably adjusted such that when the mass touches the wooden black, the other end of the string gets detached from the pin P. The time taken for 2, 4, 6, and 8 rotations are noted and the readings are tabulated.

The average angular velocity is w+0 / 2 = w /2 = 2 pie n / t

w =4 pie n / t
Loss in P.E =mgh
Gain in K.E = 1/2 mv^2 +1/2 Iw^2

The mass of I can be calculated by I =( m2 -m1) gr / ( w2 -w1)

Uses of Flywheel.................READ

Moment of Inertia of flywheel and its uses CLICK HERE 

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