Homework Help: physics

Posted by kelly on Friday, December 4, 2009 at 6:37am.

Two masses are attached to an Atwood machine. the mass of block A is 12.3kg and the mass of B is 4.2kg. the pulley is massless but has kinetic friction of 16N.
The blocks are released from rest, what is the acceleration of the system

physics - bobpursley, Friday, December 4, 2009 at 8:49am
pulling force-retardingforce=totalmass*a

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