A motorbike wheel with an 8 kg mass has a 0.4 m radius of gyration around the z-axis, as shown in Figure. The wheel's shaft is supported by bearings A and B and rotates at a constant rate of 150 rpm in a counter-clockwise direction from the z-axis, while the frame rotates at 12 rpm in a counter- clockwise direction from the y-axis. Determine the resultant reaction forces at each bearing A and B due to the mass and gyroscopic effects. With the result of forces, which bearing has a tendency to fail first, which bearing should be considered for design purposes and explain the effect on motor if the bearing fail. 0.55 0.4

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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SECW OM
A motorbike wheel with an 8 kg mass has a 0.4 m radius of gyration around the z-axis, as shown in
Figure. The wheel's shaft is supported by bearings A and B and rotates at a constant rate of 150 rpm
in a counter-clockwise direction from the z-axis, while the frame rotates at 12 rpm in a counter-
clockwise direction from the y-axis. Determine the resultant reaction forces at each bearing A and B
due to the mass and gyroscopic effects. With the result of forces, which bearing has a tendency to
fail first, which bearing should be considered for design purposes and explain the effect on motor if
the bearing fail.
y
0.55
0.4
All dimensions in meter (m)
Transcribed Image Text:SECW OM A motorbike wheel with an 8 kg mass has a 0.4 m radius of gyration around the z-axis, as shown in Figure. The wheel's shaft is supported by bearings A and B and rotates at a constant rate of 150 rpm in a counter-clockwise direction from the z-axis, while the frame rotates at 12 rpm in a counter- clockwise direction from the y-axis. Determine the resultant reaction forces at each bearing A and B due to the mass and gyroscopic effects. With the result of forces, which bearing has a tendency to fail first, which bearing should be considered for design purposes and explain the effect on motor if the bearing fail. y 0.55 0.4 All dimensions in meter (m)
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