Force
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 Aristotle famously described a force as anything which causes an object to undergo "unnatural motion" |
In physics, a force is any influence that causes an object to undergo a certain change, either concerning its movement, direction, or geometrical construction. It is measured with the SI unit of newtons and represented by the symbol F. In other words, a force is that which can cause an object with mass to change its velocity (which includes to begin moving from a state of rest), i.e., to accelerate, or which can cause a flexible object to deform. Force can also be described by intuitive concepts such as a push or pull. A force has both magnitude and direction, making it a vector quantity.
- See also: Wikipedia, Wiktionary, Commons
- Related: Nonlinear system
| Video lecture on Newton's three laws Video lecture on Newton's three laws ocw.mit.edu/.../Video-Segment-Index-for-L-6.htm - Web |
| A Java simulation on vector addition of forces A Java simulation on vector addition of forces phy.hk/wiki/englishhtm/Vector.htm - Web |
| Force demonstrated as any influence on an object t... Force demonstrated as any influence on an object that changes the object's shape or motion www.youtube.com/watch?v=DkWKvMtdLYU - Web |
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