Wednesday
April 16, 2014

Homework Help: college physics

Posted by josh on Thursday, June 10, 2010 at 2:14pm.

find the frictional force exerted on a 20kg block pulled slowly over a horizontal floor using a rope which makes a 30 degree angle over the horizontal. the pulling force is 100N???

i found the Fn to be 146 N what do i do from there?

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