P300 mm300 mm150 mm200 mmAP (N)500t (s)2The 47-disk is rotation at 151 rad/s.The force P is applied to the brake asindicated by the graph.If the coefficient of kinetic fraction at thecontact between the beam and the disk is0.4, determine the time needed to stay thedisk from rotating. Neglect the thickness ofthe brake.

Mass of disk=47kg Rotation=151rad/sec

Answered: P 300 mm 300 mm B 150 mm 200 mm A P (N)…

P 300 mm 300 mm B 150 mm 200 mm A P (N) 500 t (s) 2 The 47-disk is rotation at 151 rad/s. The force P is applied to the brake as ndicated by the graph.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

P
300 mm
300 mm
150 mm
200 mm
A
P (N)
500
t (s)
2
The 47-disk is rotation at 151 rad/s.
The force P is applied to the brake as
indicated by the graph.
If the coefficient of kinetic fraction at the
contact between the beam and the disk is
0.4, determine the time needed to stay the
disk from rotating. Neglect the thickness of
the brake.

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