LAB REPORT FORM ROTATIONAL INERTIA TABLE I: DETERMINATION OF THE AXLE\'S MOMENT

Question

LAB REPORT FORM ROTATIONAL INERTIA TABLE I: DETERMINATION OF THE AXLE'S MOMENT OF INERTIA r (m) m" is the hanging mass, m-= mn + 5g (or log). TABLE 2: AXLE WHEEL SYSTEM MOMENT OF INERTIA Wheel Mass M: Bo5 (kg), wheel Radius R: 0-11 2 5 (m) m* (kg) a (m/s') Iw (kg m) | 0.015 0.221 8.2 x lo 3 0.02 m* is the hanging mass, m* mb t 5g (or 10g). Calculations: I. Show the calculations of the axle's moment of inertia, IA 2. Show one sample calculation for moment of inertia of the axle-wheel system, IlWA 3. Show one sample calculation, Iw.

Explanation / Answer

1 a. The point to note here is that the moment of inertia defines the propensity of the body to resist and change in its motion, hence when a constant friction is added to the bearing the moment of inertia will increase due to increase in resitance towards the change in motion.

1 b .If the friction drag is unchanged it will only affect the I of the wheel as the torque due to the drag will resist the applied force on the wheel, but this drag will keep the axle in rotation as an external agent hence it's moment of interia will be unaltered.

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