Help make Alexa smarter on Alexa Answers. Sign in with Amazon


Does energy have mass?

Mass, is that part of the total energy that is the energy resides within an object as seen in its own reference frame. So no, energy does not necessarily have mass, though all mass is energy. The reason is by arbitrary definition, though a definition that is extremely useful when doing physics.

{{ relativeTimeResolver(1570120501333) }}

Points points 91

Similar Questions
Sign in to view all similar questions
Science 2 Answers
Science 4 Answers

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world