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Physics 19 Online
OpenStudy (anonymous):

I'm studying friction. What is an objects "normal force" ?

OpenStudy (anonymous):

Force done on the object by surface .

OpenStudy (anonymous):

So. Is it exerting the same force as gravity?

OpenStudy (anonymous):

|dw:1349358598735:dw|

OpenStudy (anonymous):

Oh. Awesome. Great. Thank you!

OpenStudy (anonymous):

How does the force required to start moving an object on a surface with friction compare to that object’s normal force?

OpenStudy (anonymous):

In the case above it is equal to weight of object. But there are many cases where it is not. Example: |dw:1349358785513:dw|

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