Think about a basketball. An on a regular basis, odd basketball sitting completely nonetheless on an empty courtroom. Now visualize a participant — let’s go together with Diana Taurasi of the WNBA’s Phoenix Mercury. She saunters out to midcourt, her footwear squeaking in opposition to the hardwood planks. Then Taurasi bends down, grabs the ball, stands again up and raises it over her head.
You may have simply witnessed a rise within the ball’s potential vitality.
For the report, that is simply one of many many kinds of vitality we encounter every day. There’s additionally kinetic vitality, electrical vitality, thermal vitality and so forth.
This begs a elementary query. Scientifically, what is vitality? What does that phrase imply within the context of physics, chemistry, engineering and associated STEM fields?
This is the definition you are almost certainly to listen to in your Superior Placement programs or discover in a textbook:
“Vitality is the flexibility to do work.”
Taken by itself that sentence may appear sort of obscure and never particularly useful. However don’t be concerned, we’re right here that can assist you unpack it.