Draft:Fan and sail example
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The fan and sail example is a situation studied in discussions of Newton's third law.[1] A fan is attached to a cart or a sailboat and blows on its sail. As a result, the vehicle may remain stationary or move into the direction of the fan's wind. A very common mistake is thinking that the forces in the system composed of the vehicle, the sail and the fan are all internal forces and, therefore, the vehicle can't move propelled by the fan in this way.[2][1][3] [4] [5] [6] [7]
References
[edit]- ^ a b Wilson, Jerry D. (1972-09-01). "LETTERS: Newton's Sailboat". The Physics Teacher. 10 (6): 300. Bibcode:1972PhTea..10..300W. doi:10.1119/1.2352231. ISSN 0031-921X.
- ^ Da Silveira, Fernando Lang; Endler, Antonio; De Carli, Eloir (2015-04-10). "Um barco a vela pode ser propulsionado por um ventilador solidário ao barco que sopra em sua vela?". Caderno Brasileiro de Ensino de Física (in Portuguese). 32 (1): 278. doi:10.5007/2175-7941.2015v32n1p278. ISSN 2175-7941.
- ^ Jargodzki, C. & Potter, F. (2001). Mad About Physics: Braintwisters, Paradoxes, and Curiosities. John Wiley & Sons. p. 28 and pp. 175--716
- ^ Stocklmayer, Sue; Rayner, John P.; Gore, Michael M. (2012-10-01). "Changing the Order of Newton's Laws—Why & How the Third Law Should be First". The Physics Teacher. 50 (7): 406–409. Bibcode:2012PhTea..50..406S. doi:10.1119/1.4752043. ISSN 0031-921X.
- ^ Clark, Robert Beck (1986-01-01). "The answer is obvious, Isn't it?". The Physics Teacher. 24 (1): 38–39. Bibcode:1986PhTea..24...38C. doi:10.1119/1.2341931. ISSN 0031-921X.
- ^ The Mechanical Universe Introduction to Mechanics and Heat By Richard P. Olenick, Tom M. Apostol, David L. Goodstein · 2008, p. 116
- ^ Physics for Scientists and Engineers By Paul A. Tipler, Gene Mosca · 2007, p. 281