
Force - Wikipedia
In physics, a force is an action (usually a push or a pull) that can cause an object to change its velocity or its shape, or to resist other forces, or to cause changes of pressure in a fluid. In …
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Types of Forces - The Physics Classroom
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 differentiates between the various types …
What is Force? | NIST
Sep 11, 2009 · When we push or pull on a body, we are said to exert a force on it. Forces can also be exerted by inanimate objects. For example, a locomotive exerts a force on a train it is …
Force | Definition & Formula | Britannica
Dec 4, 2025 · Force, in mechanics, any action that tends to maintain or alter the motion of a body or to distort it. The concept of force is commonly explained in terms of Isaac Newton’s three …
Forces (video) | Motion and forces | Khan Academy
A force is a push or a pull. Types of contact forces include the normal and friction forces. Types of non-contact forces include the gravitational, electric, and magnetic forces. When two or more …
Force Definition in Science
Mar 30, 2022 · The force on an object equals the object’s mass multiplied by its acceleration. When one object exerts a force on another object, the second object exerts an equal and …
FORCE Definition & Meaning - Merriam-Webster
The meaning of FORCE is strength or energy exerted or brought to bear : cause of motion or change : active power. How to use force in a sentence. Synonym Discussion of Force.
What Is a Force? The Push and Pull of Physics
May 27, 2025 · At its core, a force is an interaction that changes the motion of an object. It’s not something you can hold in your hand, but it has real, observable effects.
Introduction to forces - Forces and movement - KS3 Physics - BBC
A force is a push or a pull that acts on an object due to the interaction with another object. Force is measured in newtons (N). Forces are divided into contact forces and non-contact forces.