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Downward Force

Downward Force

Downward Force

Downward Force is a name given to imply a pseudo-sliding impression that relates the structure to the ground and to gravity. It is an inclined frame which can show a system of images and texts as if they were meant to slide and vanish as liquids on the floor. According to Newton's third law, the ground below the setting exerts an upward reaction force on the setting. The inclination creates a world of forces which are imposed onto the material shown on the board. An object placed on a tilted surface will slide down the surface if left unstabilized. The rate at which the object slides down the surface is dependent upon how tilted the surface is; the greater the tilt of the surface, the faster the rate at which the object will slide down it. In physics, a tilted surface is called an inclined plane. Objects are known to accelerate down inclined planes because of an unbalanced force. To understand this type of motion, it is important to analyze the forces acting upon an object on an inclined plane. In diagrams depicting the two forces acting upon a crate that is positioned on an inclined plane (assumed to be friction-free), there are always at least two forces acting upon any object that is positioned on an inclined plane – the force of gravity and the normal force. The force of gravity (also known as weight) acts in a downward direction; yet the normal force acts in a direction perpendicular to the surface (in fact, normal means "perpendicular"). The first peculiarity of inclined plane problems is that the “normal” force is not directed in the direction that we are accustomed to. We have always conceived “normal” forces acting in an upward direction, opposite the direction of the force of gravity. But this is only because the objects positioned on the inclined surface were always on horizontal surfaces and never upon inclined planes. Forces are not always upwards as it seems with the cases of what is conceived as normal in many cases, but rather always directed perpendicular to the surface that the objects are on. This “abnormal normal force” creates the sliding effect in every inclined plane and the impression of instability in the Downward Force inclined boards.Downward Force

The process of analyzing the forces acting upon objects on inclined planes will involve resolving the weight vector into two perpendicular components. The force of gravity will be resolved into two components of force - one directed parallel to the inclined surface and the other directed perpendicular to the inclined surface. Covering the surface of the Downward Force Board with surfaces of texts or images does not imply that we substitute the surface with a new material; the material positioned in a Downward Force board -texts and pictures- is submitted to this intentional impression of destabilisation.

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