A student gathered two boxes of the same size made of different materials: glass and clear plastic. She placed them on a windows
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#Case -1
If Pulling force is less than frictional force the object won't move .
#Case-2
If Pulling force is greater than frictional force then object will be .
In order to calculate friction force you need Limiting friction first .
u s is coefficient of static friction and N is normal reaction
Or
- As N=mg