the law of conservation of energy Flashcards
what is energy
the capacity to do work or provoke a change
is energy easy to measure directly
no
what other change is accomplished through a change in energy
a change of state
what’s the unit of energy
Joule (J)
what does 1J correspond to
the energy needed to lift an object weighing 1Newton at a distance of 1Meter
what is the mass of an object weighing 1newton on earth
100grams
what is energy transformation
changing from one type of energy to another
what is the transfer of energy
movement of energy from one place to another
what is the law of conservation of energy
energy can be neither created nor destroyed only transferred or transformed. the total amount of energy in a closed system remains constant