Determine the minimum coefficient of static friction H which will allow the drum with fixed inner hub to be rolled up the 15° incline at a steady speed without slipping. What are the corresponding values of the force P and the friction force F? P 30° m T/2 Hs 15° :Select one a. mu=0.095 , F=0.0883mg , P=0.17 66mg b. mu=0.16, F=0.0883mg , P-0.017 88mg

Determine the minimum coefficient of static friction H which will allow the drum with fixed inner hub to be rolled up the 15° incline at a steady speed without slipping. What are the corresponding values of the force P and the friction force F? P 30° m T/2 Hs 15° :Select one a. mu=0.095 , F=0.0883mg , P=0.17 66mg b. mu=0.16, F=0.0883mg , P-0.017 88mg

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...

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Concept explainers

Metrology of Screw Threads

Screw threads are a series of ridges having the profile of a helix. This helix profile runs continuously along the length of a uniform solid or a hollow bar of a circular cross-section at periodic intervals. These helix ridges are also formed over a conical bar. These continuous helical ridges are termed threads.

Question

Determine the minimum coefficient of static friction
H which will allow the drum with fixed inner hub to
be rolled up the 15° incline at a steady speed without
slipping. What are the corresponding values of the
force P and the friction force F?
P
30°
m
T12
15°
:Select one
a. mu=0.095 , F=0.0883mg , P=0.17 66mg
b. mu=0.16 , F=0.0883mg, P-0.017 88mg

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