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Les forces

Les types de forces

Le dynamique
      des forces




© The scientific sentence. 2010


Types of forces



1. Contact force

A contact force is a force that acts at the point of contact of two objects, such as normal force, friction, and tension.

The normal force denoted by N is the perpendicular force to the surface of contact. An object at rest on the floor is subject to a normal force that balance its weight.


2. Non-contact force

A non-contact force, or at a distance force is a force applied to an object by another body that is not in direct contact with it, such as gravitational force, electric force, magnetic force, or strong and weak nuclear forces.


  

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