query: Where does gravity get it's energy to cause tides?
positive_passages.docid: 47933
positive_passages.text: Where does tidal energy come from?
negative_passages.docid: 153233
negative_passages.text: Why is the Moon considered the major cause of tides, even though it is weaker than the Sun?
negative_passages.docid: 104584
negative_passages.text: Why is potential energy negative when orbiting in a gravitational field?
negative_passages.docid: 59399
negative_passages.text: How does a sponge "suck" up water against gravity?
negative_passages.docid: 68392
negative_passages.text: How to start an artificial gravity?
negative_passages.docid: 49577
negative_passages.text: Spherical / Relative Gravity
negative_passages.docid: 141845
negative_passages.text: Why gravity is an attractive force?
negative_passages.docid: 6592
negative_passages.text: if a body is stopped by means other than friction, where does energy go?
negative_passages.docid: 109081
negative_passages.text: Constant of gravity in earth fixed coordinate system
negative_passages.docid: 122992
negative_passages.text: Spring force under gravity
negative_passages.docid: 23078
negative_passages.text: Where does the extra kinetic energy come from in a gravitational slingshot?
negative_passages.docid: 116949
negative_passages.text: What gives mass to black hole?
negative_passages.docid: 15502
negative_passages.text: Does non-mass-energy generate a gravitational field?
negative_passages.docid: 56510
negative_passages.text: Is there always an equilibrium point in space for gravity?
negative_passages.docid: 110616
negative_passages.text: Acceleration due to Gravity: Free Fall
negative_passages.docid: 16388
negative_passages.text: Are static magnetic and electric fields distorted by gravity? How?
negative_passages.docid: 76337
negative_passages.text: How does buoyancy work?