A cylindrical shaft of radius 4 cm is rotating at a speed of 30 rad/s in a
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Question:
A cylindrical shaft of radius 4 cm is rotating at a speed of 30 rad/s in a cylindrical bearing . Shaft and bearing are concentric . The lubricant of viscosity 0,4 Pa s and SG= 0,85 completely fills the clearance between shaft and bearing surface. Take clearance as 0,5 cm and length of shaft as 10 cm . The lubricant flow is laminar steady and uniform .Frictional force on shaft surface is ?
Lütfen birini seçin:
a. 4,47 N
b. 2,41 N
c. 5,53 N
d. 9,42 N
e. 1,23 N
Related Book For
University Physics With Modern Physics
ISBN: 978-0073513881
2nd edition
Authors: Wolfgang Bauer, Gary Westfall
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