query: Work done by Friction. Can it be positive or zero?
positive_passages.docid: 17753
positive_passages.text: Positive work done by friction
negative_passages.docid: 53006
negative_passages.text: How is frictional force dependent on normal reaction?
negative_passages.docid: 89929
negative_passages.text: Can the coefficient of static friction be less than that of kinetic friction?
negative_passages.docid: 102228
negative_passages.text: Direction of friction for object that rolls with slipping
negative_passages.docid: 135873
negative_passages.text: Is friction a conservative force?
negative_passages.docid: 38843
negative_passages.text: Why are there both Static and Kinetic Friction?
negative_passages.docid: 12818
negative_passages.text: In calculating work done by a constant force over a constant distance, why doesn't the subject's initial velocity matter?
negative_passages.docid: 83112
negative_passages.text: Does the contact area affect friction forces?
negative_passages.docid: 39041
negative_passages.text: work done is zero if displacement of point of application of force is zero but why can't we assume forces on COM and its displacement
negative_passages.docid: 89839
negative_passages.text: What is function of force $F$ and work $W$?
negative_passages.docid: 107676
negative_passages.text: Work done when lifting an object at constant speed
negative_passages.docid: 81481
negative_passages.text: Work done by moving up an inclined plane
negative_passages.docid: 48995
negative_passages.text: Direction of Friction on two stacked boxes
negative_passages.docid: 55422
negative_passages.text: Directions of static & kinetic friction?
negative_passages.docid: 123054
negative_passages.text: How can we have negative work in electrostatics, if $W=(\epsilon_0/2)\int\! E^2\ \mathrm{d}\tau$?
negative_passages.docid: 58978
negative_passages.text: Work done relation to potential energy
negative_passages.docid: 51378
negative_passages.text: Photoelectric effect and work function