An object traveling in a circle, even at constant speed, is accelerating. That's because its direction is constantly changing to point to the center of An object traveling in a circle, even at ...
A couple of commenters expressed concern over the use of centrifugal force after my rant on the use of the word force. So, what is the deal with these two terms? Are they ok to use? Are they real ...
TIM PEAKE:Hi I'm Tim Peake. I'm an astronaut based here at the European Space Agency, in Germany. And from December 2015 to June 2016, I spent six months orbiting Earth on the International Space ...
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