What property of the flywheel is most important for this use? How can we determi
ID: 2077100 • Letter: W
Question
What property of the flywheel is most important for this use? How can we determine a value for this property? Why is most of the mass of the flywheel located near the flywheel's circumfrence?
1. The large flywheel in the picture is connected to a large metal cutter. The flywheel mass is used to help provide a uniform motion to the cutting blade. What property of the flywheel is most important for this use? How can we determine a value for this property? Why is most of the mass of the flywheel located near the flywheel's circumference?Explanation / Answer
The moment of inertia of the flywheel is the most important quantity for this use, as it controls the rotational energy of the flywheel.
If most of the mass of the flywheel is distributed around circumference then the moment of inertia is given by, I = mr2
where m is the mass and r is the radius of the wheel.
If the mass increases then the moment of inertial increases and the rotational energy increases. This makes the machine more useful.
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