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A 100mm thick cast iron disc, 600, has a hole, 300, bored in- it so that it may be press-fitted to a position midway along a hollow mild steel shaft 900 mm long with an internal diameter of 200 mm. The centre of the machined hole is 90 mm from the polar axis of the disc, so that when fitted on the shaft it forms an eccentric. Determine the moment of inertia and radius of gyration of the assembly about the axis of rotation of the shaft. C. I. p = 7000 kg/m³ 100 M. 5: p = 7800 kg/m³

A 100mm thick cast iron disc, 600, has a hole, 300, bored in- it so that it may be press-fitted to a position midway along a hollow mild steel shaft 900 mm long with an internal diameter of 200 mm. The centre of the machined hole is 90 mm from the polar axis of the disc, so that when fitted on the shaft it forms an eccentric. Determine the moment of inertia and radius of gyration of the assembly about the axis of rotation of the shaft. C. I. p = 7000 kg/m³ 100 M. 5: p = 7800 kg/m³

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
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A 100mm thick cast iron disc, 600, has a hole, 300, bored in- it so that it may be press-fitted to a position midway along a hollow mild steel shaft 900 mm long with an internal diameter of 200 mm. The centre of the machined hole is 90 mm from the polar axis of the disc, so that when fitted on the shaft it forms an eccentric. Determine the moment of inertia and radius of gyration of the assembly about the axis of rotation of the shaft. C. I. p = 7000 kg/m³ 100 M. 5: p = 7800 kg/m³
Transcribed Image Text:A 100mm thick cast iron disc, 600, has a hole, 300, bored in- it so that it may be press-fitted to a position midway along a hollow mild steel shaft 900 mm long with an internal diameter of 200 mm. The centre of the machined hole is 90 mm from the polar axis of the disc, so that when fitted on the shaft it forms an eccentric. Determine the moment of inertia and radius of gyration of the assembly about the axis of rotation of the shaft. C. I. p = 7000 kg/m³ 100 M. 5: p = 7800 kg/m³
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