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- Force, in mechanics, any action that tends to maintain or alter the motion of a body or to distort it.
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Apr 19, 2024 · Learn about the concept of force in mechanics, as explained by Isaac Newton's three laws of motion. Find out how force is measured in newtons or pounds, and how it can produce acceleration, deformation, or equilibrium in a body.
Learn what force is in chemistry and physics, how it is measured and classified, and see examples of different types of forces. Force is the push or pull on an object that causes it to change velocity.
Learn what force is, how to measure it, and what types of forces exist in physics. Find examples, formulas, and solved problems on force and its effects.
- kg·m/s 2
- Newton
- dyne, poundal, pound-force, kip, kilo pond
- Units of Force
- History
- Examples of Forces
- The Fundamental Forces
- References
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.In physics, a force is an influence that can cause an object to change its velocity, i.e., to accelerate, meaning a change in speed or direction, unless counterbalanced by other forces. The concept of force makes the everyday notion of pushing or pulling mathematically precise.
- newton (N)
Sep 12, 2022 · 5.2: Forces. Expand/collapse global location. 5.2: Forces. Page ID. OpenStax. Learning Objectives. Distinguish between kinematics and dynamics. Understand the definition of force. Identify simple free-body diagrams. Define the SI unit of force, the newton. Describe force as a vector.
A force is a push or pull that acts upon an object as a result of that objects interactions with its surroundings. In this Lesson, The Physics Classroom details that nature of these forces, discussing both contact and non-contact forces.
