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  1. 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 …

  2. 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 …

  3. 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 …

  4. 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 …

  5. 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 …

  6. What is Force? - BYJU'S

    Terms like stretch and squeeze can also be used to denote force. In Physics, force is defined as: The push or pull on an object with mass causes it to change its velocity. Force is an external …

  7. 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.

  8. U.S. Air Force

    The mission of the United States Air Force is to fly, fight and win – airpower anytime, anywhere. Whether full time, part time, volunteer, in or out of uniform, everyone who serves plays a …

  9. Types of Forces: Definitions and Examples - Science Facts

    Mar 23, 2023 · Learn the different types of forces in physics and mechanics, along with examples and diagrams. What is the equation for force. What are the effects of force.

  10. Introduction to forces - Forces and movement - KS3 Physics - BBC

    A force is a push or a pull that acts on an object. There are many kinds of force. Find out more with BBC Bitesize. For students between the ages of 11 and 14.