Do i need to meet or exceed an objects maximum static friction to begin motion?

mHo2

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In order to get an object moving, do you have to overcome it's static friction, or only meet it?
I.e. if an objects maximum force of static friction is 40N do i have to push 40N or >40N

Thanks!
 
You need to exceed the object's static friction just by a small amount to get the object to move.
 
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