In physics, a force is an action 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 mechanics, force makes ideas like ' …

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.

Feb 6, 2026 · 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 laws of …

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 of …

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 opposite force on the …

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(Pushing a pebble clearly takes less force than pushing a boulder, and pushing a boulder quickly obviously takes more force than pushing it slowly.) What is now known as Newton's second law of …

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 agent …

One of the foundation concepts of physics, a force may be thought of as any influence which tends to change the motion of an object. Our present understanding is that there are four fundamental forces …

Jul 26, 2025 · In physics, a force is an action that pushes or pulls an object. A force can cause an object to speed up, slow down, stay in place, or change shape. The unit of force is the newton, abbreviated …