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  1. Key Points. 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...

  2. Forces are pushes or pulls. They are measured in newtons. Forces are just pushes and pulls in a particular direction. Forces are shown by arrows in diagrams. The direction of the arrow...

  3. Forces are responsible for all the interactions between particles and objects. They can be divided into two categories: contact forces and non-contact forces. Gravity - AQA. Gravity is one of the...

  4. Jan 11, 2024 · Force is a physical quantity that describes the interaction between objects. It is what causes objects to accelerate or change their state of motion. There are four main types of force: gravitational force, electromagnetic force, strong nuclear force, and weak nuclear force.

  5. 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 forces that an object could encounter. Some extra attention is given to the topic of friction and weight.

  6. About 20 different forces are briefly described. The use of free body diagrams is explained. Newton's 1st law of motion is stated and used to define force.

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  8. Dec 16, 2023 · Action at a distance, such as the gravitational force of Earth on the Moon, is explained by the existence of a force field rather than by “physical contact.” The four basic forces are the gravitational force, the electromagnetic force, the weak nuclear force, and the strong nuclear force.

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