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You are designing a clutch assembly which consists of two cylindrical plates, of mass MA
Chapter 8, Problem 83GP(choose chapter or problem)
You are designing a clutch assembly which consists of two cylindrical plates, of mass and
, with equal radii
. They are initially separated (Fig.
). Plate
is accelerated from rest to an angular velocity
in time
. Calculate
the angular momentum of
, and
the torque required to have accelerated
from rest to
. (c) Plate
, initially at rest but free to rotate without friction, is allowed to fall vertically (or pushed by a spring), so it is in firm contact with plate
(their contact surfaces are high-friction). Before contact,
was rotating at constant
After contact, at what constant angular velocity
do the two plates rotate?
Questions & Answers
QUESTION:
You are designing a clutch assembly which consists of two cylindrical plates, of mass and
, with equal radii
. They are initially separated (Fig.
). Plate
is accelerated from rest to an angular velocity
in time
. Calculate
the angular momentum of
, and
the torque required to have accelerated
from rest to
. (c) Plate
, initially at rest but free to rotate without friction, is allowed to fall vertically (or pushed by a spring), so it is in firm contact with plate
(their contact surfaces are high-friction). Before contact,
was rotating at constant
After contact, at what constant angular velocity
do the two plates rotate?
ANSWER:
Solution
Step 1 of 4
In this problem, we have to the angular momentum and the torque required and find the constant angular velocity.