Posted by Dave on Thursday, February 3, 2011 at 9:44pm.
blocks A and B weigh 10 lb and 40 lb,
respectively. A and B extend over a fixed drum, one on reach side.
Determine the acceleration of
A and the tension in the cord if
the fixed drum is smooth.

physics  bobpursley, Thursday, February 3, 2011 at 9:59pm
well, the net pulling force to one side is 30lb.
F=ma solve for a. I am not certain if what you are using for mass units, I assume slugs, so m=50lb/32.2 slugs
a= 30*(32.2/50) ft/sec^2
IT is much easier to use the SI system, Frankly, I am wondering just what is going on.
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