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## Main Question or Discussion Point

i dont understand this..the way the forces go

if someone could show me how to do it and the steps..that would be great:

The static friction coefficient btw a wall and a pic is 0.7 while the kinetic one is 0.3. By what force shoudl one push the 6kg pic against the wall so that it will not slide?What if he/she pushed the pic with a force making an angle of 30 degrees to the horizontal (both cases)[?]

thanx!

if someone could show me how to do it and the steps..that would be great:

The static friction coefficient btw a wall and a pic is 0.7 while the kinetic one is 0.3. By what force shoudl one push the 6kg pic against the wall so that it will not slide?What if he/she pushed the pic with a force making an angle of 30 degrees to the horizontal (both cases)[?]

thanx!