(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Block A in the figure weighs 65.9N. The coefficient of static friction between the block and the surface on which it rests is 0.27. The weight w is 12.2N and the system is in equilibrium.

block A is placed on a table, it is connected by a string to a wall block w is hung off that string to form a 90degree angle between A and w and a 45degree angle between w and the wall.

A) Find the friction force exerted on block A.

2. Relevant equations

Fr = u Fn

F = ma

3. The attempt at a solution

i tried to find the net force using f = ma but there is no horizonal acceleration... so i am confused. :S help??

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# Homework Help: Newtons laws question.

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