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Force is an influence that can cause an object to change its velocity, such as gravity, magnetism or friction. Learn about the concept of force, its units, dimensions, types, history and laws from classical mechanics to modern physics.
- Force (Disambiguation)
Places. Force, Marche, a municipality in Ascoli Piceno,...
- Accelerate
Drag racing is a sport in which specially-built vehicles...
- Pound-Force
The pound-force is the product of one avoirdupois pound...
- Force (Disambiguation)
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Learn what force is, how to measure it, and what types of forces exist in physics. Explore the formula for force, the unit of force, the effects of force, and examples of contact and non-contact forces.
- kg·m/s 2
- Newton
- dyne, poundal, pound-force, kip, kilo pond
Aug 23, 2024 · Force is a vector quantity that tends to change the motion or shape of a body. Learn about Newton's laws of motion, the units of force, and the types of forces in physics.
- The Editors of Encyclopaedia Britannica
- Units of Force
- History
- Examples of Forces
- The Fundamental Forces
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The SI unit of force is the newton (N), which is a kilogram meter per second squared (kg·m/s2). Other common units include: 1. dyne 2. kilogram-force (kilopond) 3. poundal 4. kip 5. pound-force
The Greek philosophers Aristotle and Archimedes studied force, but believed constant motion requires a constantly applied force. Galileo Galilei and Sir Isaac Newton corrected this misperception and described force mathematically. Galileo’s inclined plane experiment (1638) mathematically described naturally accelerated motion. Newton’s three laws o...
Forces exist all around us in the everyday world. For example: 1. Friction is a force that opposes motion. 2. Applied force is the force applied to an object by a person or other object. 3. Centripetal forceis a force acting on a body moving in a circular path that is directed toward the center of the circle. 4. Centrifugal forceis an apparent forc...
The four fundamental forces of nature are gravity, electromagnetism, the strong interaction, and the weak interaction. 1. Gravity is the attractive force between two masses. It acts over an infinite distance, but is the weakest of the fundamental forces. 2. Electromagnetism describes the attraction and repulsions of electrical charges and magnets. ...
Corben, H.C.; Stehle, Philip (1994). Classical Mechanics. New York: Dover Publications. ISBN 978-0-486-68063-7.Cutnell, John D.; Johnson, Kenneth W. (2003). Physics(6th ed.). Hoboken, New Jersey: John Wiley & Sons Inc. ISBN 978-0471151838.Hellingman, C. (1992). “Newton’s third law revisited”. Phys. Educ. 27 (2): 112–115. doi:10.1088/0031-9120/27/2/011Newton, Isaac (1999). The Principia Mathematical Principles of Natural Philosophy. Berkeley: University of California Press. ISBN 978-0-520-08817-7.Learn what a force is in physics and other sciences, how to measure it, and what types of forces exist. Find out the history, examples, and fundamental forces of nature.
Sep 12, 2022 · Learn the intuitive and quantitative definitions of force, a vector quantity that describes the push or pull on an object. See how to draw free-body diagrams and apply Newton's laws of motion to analyze forces.
Learn what force is, how it influences motion, and how to classify it into contact and non-contact forces. Find out the examples of push and pull forces, and how to identify internal and external forces.
An intuitive definition of force —that is, a push or a pull—is a good place to start. We know that a push or a pull has both magnitude and direction (therefore, it is a vector quantity), so we can define force as the push or pull on an object with a specific magnitude and direction.
