| 释义 |
- References
{{More citations needed|date=December 2018}}In mechanical engineering, a parallel force system is a situation in which two forces of equal magnitude act in the same direction within the same plane, with the counter force in the middle. An example of this is a see saw. The children are applying the two forces at the ends, and the fulcrum in the middle gives the counter force to maintain the see saw in neutral position. Another example are the major vertical forces on an airplane in flight (see image at right). References- {{cite book | last=Kumar | first=K.L. | title=Engineering Mechanics,3e | publisher=McGraw-Hill Education (India) Pvt Limited | year=2003 | isbn=978-0-07-049473-2 | url=https://books.google.com/books?id=bCP68dm49OkC&pg=PA90 | language=nl | access-date=September 10, 2017 | page=90}}
- {{cite book | last=Blake | first=Alexander | title=Handbook of Mechanics, Materials, and Structures | publisher=John Wiley & Sons | date=1985 | page=128 | url=https://books.google.com/?id=Wp1XC3mN_2IC&pg=PA128&lpg=PA128&dq=%22parallel+force%22#v=onepage&q=%22parallel%20force%22&f=false| isbn=9780471862390 }}
- {{cite book|author=R.K. Bansal|title=A Textbook of Engineering Mechanics|url=https://books.google.com/books?id=AOY9fiIkB9AC&pg=PA25|date=December 2005|publisher=Laxmi Publications|isbn=978-81-7008-305-4|page=25}}
- {{cite book|author1=M. N. Shesha Prakash|author2=Ganesh B. Mogaveer|title=Elements of Civil Engineering and Engineering Mechanics|url=https://books.google.com/books?id=1qd2BAAAQBAJ&pg=PA25|date=30 July 2014|publisher=PHI Learning Pvt. Ltd.|isbn=978-81-203-5001-4|page=25}}
4 : Force|Physics|Mechanics|Mechanical engineering |