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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