Two Masses on Inclined Plane with Pulley

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A mass (brown) slides along a plane inclined at the angle
, attached to a pulley at the top with a mass
(green) hanging down the right vertical side. The coefficient of friction is
. The acceleration
of the system and the tension
are calculated and the position of the masses at time
is shown.
Contributed by: Enrique Zeleny (March 2013)
Open content licensed under CC BY-NC-SA
Snapshots
Details
Solving the equations of the system, the acceleration and tension are given by
,
,
when and
moves upwards (
). In the opposite case, the sign of the friction term must be changed. The system does not accelerate when
.
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