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Module 1: Movimiento: Reacción Normal

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XSIQ
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Physics - Normal reaction

Normal reaction

The normal force acts in the opposite direction to an action

When an object pushes against a surface, the surface pushes back. This is
_Newton's Third Law._ This 'pushing back' is called the or It is a force
that always acts at right angles to the surface and is a force acting on
the object.

A common instance of a normal force is that which acts on an object that
is stationary on a flat surface. It is very important that you do not make
the mistake of thinking that this is the reaction of the weight in the
sense of _Newton's Third Law._ The equal and opposite reaction of the
weight of an object is the gravitational force [1] (pull) on the Earth due
to the object. The action/reaction pair act on different objects. The
weight and the normal reaction [2] act on the same object.

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[1] http://alison.com/#
[2] http://alison.com/#