query: What is the definition of potential energy?
positive_passages.docid: 111578
positive_passages.text: Why is gravitational potential energy negative, and what does that mean?
negative_passages.docid: 155558
negative_passages.text: If energy is only defined up to a constant, can we really claim that ground state energy has an absolute value?
negative_passages.docid: 35939
negative_passages.text: Is fire matter or energy?
negative_passages.docid: 131167
negative_passages.text: Kinetic energy of the object, but Potential energy of the system: Why is it so?
negative_passages.docid: 22168
negative_passages.text: What keeps mass from turning into energy?
negative_passages.docid: 98846
negative_passages.text: Why is Kinetic Energy = (-) Total Energy and Potential Energy = 2 $\times$ Total Energy?
negative_passages.docid: 30883
negative_passages.text: Why can't energy be created or destroyed?
negative_passages.docid: 90716
negative_passages.text: Conservation of energy and wavefunctions
negative_passages.docid: 56266
negative_passages.text: Potential energy and the work energy theorem
negative_passages.docid: 14989
negative_passages.text: In quantum mechanics, given certain energy spectrum can one generate the corresponding potential?
negative_passages.docid: 146039
negative_passages.text: Is it always possible to define energy of a system?
negative_passages.docid: 77796
negative_passages.text: Why is the potential energy minimal when the repulsion and attraction force between molecules is 0?
negative_passages.docid: 46509
negative_passages.text: Energy level below ground state
negative_passages.docid: 18144
negative_passages.text: Does a nonzero Poynting vector mean that there is propagation of energy?
negative_passages.docid: 123746
negative_passages.text: Understanding "natural variables" of the thermodynamic potentials using the example of the ideal gas
negative_passages.docid: 123654
negative_passages.text: How can energy be useful when it is 'abstract'?
negative_passages.docid: 112308
negative_passages.text: Why is the gravitational potential energy defined as negative?