query: How friction works?
positive_passages.docid: 73310
positive_passages.text: Why is the equation for friction so simple?
negative_passages.docid: 6536
negative_passages.text: After what speed air friction starts to heat up an object?
negative_passages.docid: 61345
negative_passages.text: Newton's second law explanation
negative_passages.docid: 135873
negative_passages.text: Is friction a conservative force?
negative_passages.docid: 94884
negative_passages.text: If friction acts on car all time, why is it not accelerating forever?
negative_passages.docid: 11728
negative_passages.text: What exactly is "pressure", and what's its relation to force?
negative_passages.docid: 9627
negative_passages.text: What happens when two smooth surfaces touch?
negative_passages.docid: 68735
negative_passages.text: How does the sticky bit work?
negative_passages.docid: 38717
negative_passages.text: How do mirrors work?
negative_passages.docid: 54926
negative_passages.text: How can the contact point of rolling body have zero velocity?
negative_passages.docid: 204
negative_passages.text: How does a magnet work?
negative_passages.docid: 53006
negative_passages.text: How is frictional force dependent on normal reaction?
negative_passages.docid: 38843
negative_passages.text: Why are there both Static and Kinetic Friction?
negative_passages.docid: 60109
negative_passages.text: If there is friction and everything stops on earth why does earth not stop due to friction?
negative_passages.docid: 64959
negative_passages.text: How exactly does gravity work?
negative_passages.docid: 145186
negative_passages.text: In Newtonian pressure, what type of function is force?
negative_passages.docid: 89692
negative_passages.text: Work done by a friction in rolling