query: A conveyor belt with changing mass
positive_passages.docid: 18230
positive_passages.text: Approaches to Sand on a Conveyor Belt
negative_passages.docid: 48077
negative_passages.text: Structure padding and packing
negative_passages.docid: 87663
negative_passages.text: Force Transfer Between two bodies linked by a rope
negative_passages.docid: 33886
negative_passages.text: Solution to over-damped harmonic spring
negative_passages.docid: 1721
negative_passages.text: How to explain the force applied on this object?
negative_passages.docid: 91629
negative_passages.text: Force between two finite parallel current carrying wires
negative_passages.docid: 43287
negative_passages.text: The Spinning Log "Perpetual Motion" problem, and my attempt at a solution
negative_passages.docid: 90626
negative_passages.text: Work in circular motions
negative_passages.docid: 126245
negative_passages.text: Replacing the core of a solenoid to increase the pulling force
negative_passages.docid: 43961
negative_passages.text: Work done against gravity
negative_passages.docid: 79319
negative_passages.text: force on a moving charge in magnetic field
negative_passages.docid: 112911
negative_passages.text: The acceleration vector of a simple pendulum
negative_passages.docid: 117403
negative_passages.text: Force on rope with accelerating mass on pulley
negative_passages.docid: 35559
negative_passages.text: Vibration to Torque: Magic Motor
negative_passages.docid: 123571
negative_passages.text: A change in the gravitational law
negative_passages.docid: 76352
negative_passages.text: Physics behind a match performing a trick on center of mass
negative_passages.docid: 76125
negative_passages.text: Kinematics with non constant acceleration