It's a science word, and it's definition is: A unit of work equal to one newton-meter.
2006-09-04 08:49:34 · 4 answers · asked by KP 3 in Science & Mathematics ➔ Other - Science
You probably want a picture of the definer of the Joule, James Joule. see him at;
http://scienceworld.wolfram.com/biography/Joule.html
2006-09-04 09:34:29 · answer #1 · answered by Joseph G 3 · 0⤊ 0⤋
The other answers are correct, but are not helpful in understanding what a Joule *is*, which I think is your goal.
Here is a practical example of what Joule can "look" like. If you raise a one kg weight (2.2 lbs) about 1/10th of a meter in normal Earth gravity (10 cm= ~4 inches) you have added one joule of potential energy to it. If you drop that weight, the energy of motion the weight has right before it hits is 1 Joule.
In terms of heat energy, it takes about 310 Joules to heat up a tablespoon of water (15 ml) an appreciable amount (5 degrees C, 9 degrees F). (Yep. If you drop that kg weight into enough water that it is not moving very quickly by the time it hits the bottom, you are putting some heat energy into the water.)
2006-09-04 16:39:29 · answer #2 · answered by Mr. Quark 5 · 0⤊ 0⤋
You won't find a picture of a Joule, it is a unit of measurement.
2006-09-04 15:54:14 · answer #3 · answered by nammy_410 2 · 0⤊ 0⤋
You won't find a picture, because it is a unit of energy. Invisible, in other words.
2006-09-04 15:54:58 · answer #4 · answered by marklin1972 2 · 0⤊ 0⤋