The motion of the pulley, about its axis, was resisted by a viscous damping torque, of damping coefficient 0.4 N.m.s/rad. b) The motion of the pulley, about its axis, was resisted by a friction torque, of magnitude 0.1 N.m.
The motion of the pulley, about its axis, was resisted by a viscous damping torque, of damping coefficient 0.4 N.m.s/rad. b) The motion of the pulley, about its axis, was resisted by a friction torque, of magnitude 0.1 N.m.
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Question
Consider the system shown in Figure. Mass m2 was displaced 10 mm downwards and then released with zero velocity. Assume that, during vertical vibration of mass m2, the string remains in tension, and does not slip on the pulley. Determine the position of mass m2 after three cycles and the time of these cycles, in each of the following cases:
a) The motion of the pulley, about its axis, was resisted by a viscous damping
torque, of damping coefficient 0.4 N.m.s/rad.
b) The motion of the pulley, about its axis, was resisted by a friction torque, of
magnitude 0.1 N.m.
Transcribed Image Text:No slipping
mi
String
LUniform pulley
m:
k
a = 100 mm
m = 6 kg
m2 = 2 kg
k = 2 N/mm
ww
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