QUESTION 1 A rotating shafR is supported by two bearings. The shaft is uobalanced due to a 4.5 kg mass (A) at a 13 mm radius and a 3.0 kg mass (5) at a 21 mm radios from the axis of rotation. 4.5 kg BEARING 3.0 kg O4.5 kg SHAFT END VIEW 200-200 PLANE C 3.0 kg PLANE D 180 BEARING 2 300--200- Dimensions shown are in (um). D The shaft is to be statically balanced by adding mass at a radius of 15 nm in plane CSpecity the magnitude and angular position of the balence mass b) Affer statically balancing the shaft, deternnine the dynnmic load on ench bearing when the shaft rotate at 300 rDm

International Edition---engineering Mechanics: Statics, 4th Edition
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ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
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Chapter5: Three-dimensional Equilibrium
Section: Chapter Questions
Problem 5.2P: Draw the FBD for the bar described in Prob. 5.1 if the bar is homogeneous of mass 50 kg. Count the...
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QUESTION 1
A rotating shaft is supportad by two bearings. The shut is obalanced due to a 4.5 kg mss 4) at a
13 mm radius and a 3.0 kg mass (5) at a 21 mm radius from the axis of rotation
4.5 kg
BEARING
045 kg
60
3.0 kg
SHAFT END VEW
200-200.
PLANE C
3.0 kg
2
PLANE
BEARING
300 200-
Dmensions sliown are m (mm].
The shaft i to be statically balanced by addng mass at a ndrus of 15 am mplne CSpecity the
amaguitule andanglar positic of the balance mass
C-Spreity the
b After statically balancing fbeshaft. deternnine the dymic load on ench heare when thehift rotates
காw N
at 300mm
Transcribed Image Text:QUESTION 1 A rotating shaft is supportad by two bearings. The shut is obalanced due to a 4.5 kg mss 4) at a 13 mm radius and a 3.0 kg mass (5) at a 21 mm radius from the axis of rotation 4.5 kg BEARING 045 kg 60 3.0 kg SHAFT END VEW 200-200. PLANE C 3.0 kg 2 PLANE BEARING 300 200- Dmensions sliown are m (mm]. The shaft i to be statically balanced by addng mass at a ndrus of 15 am mplne CSpecity the amaguitule andanglar positic of the balance mass C-Spreity the b After statically balancing fbeshaft. deternnine the dymic load on ench heare when thehift rotates காw N at 300mm
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