For instance, the motion of a spacecraft, regarding its orbit and attitude , is described by the relativistic theory of classical mechanics, while the analogous movements of an atomic nucleus are described by quantum mechanics.
According to the NHS, the average Briton walks between 3,000 and 4,000 steps a day - significantly less than the Fitbit target. Yet many people do significantly more, and for them 10,000 steps might not be much of a target.
http://answers.ask.com/Travel/Other/how_many_steps_should_you_take_in_a_day. Increasing your steps per day is a great way to get healthy! Although 10,000 steps has been used as a standard, as little as 6,000 steps a day have been proven to have great health benefits.ttp://answers.ask.com/Travel/Other/how_many_steps_should_you_take_in_a_day. Increasing your steps per day is a great way to get healthy! Although 10,000 steps has been used as a standard, as little as 6,000 steps a day have been proven to have great health benefits.