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.
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.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question

Transcribed Image Text: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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