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 Leidenfrost effect The Leidenfrost effect is a phenomenon in which a liquid, in near contact with a mass significantly hotter than the liquid's boiling point, produces an insulating vapor layer keeping that liquid from boiling rapidly.
 Description of a Simple Vector - Physics Vectors are simple straight lines used to illustrate the direction and magnitude of certain quantities.
 Resultant Vector Physics A resultant is a single vector which represents the combined effect of two or more othervectors (called components). The components can be determined either graphicallyor by using trigonometry.
 Scalar Quantities - Physics Most of the physical quantities encountered in physics are either scalar or vector quantities.
 Vector Identification - Physics In textbooks, vector quantities are often represented by simply using a boldfaced letter (A, B, C, R).
 Vector Quantities Physics A vector quantity is defined as a quantity that has both magnitude and direction. To work with vector quantities, one must know the method for representing these quantities.
 Strongest Electro Magnets in the World Video The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly changed by controlling the amount of electric current in the winding. However, unlike a permanent magnet that needs no power...
 Centrifugal Force Equations and Calculator Centrifugal Force equations and calculator. When a body of mass rotates about an axis it exerts an outward radial force called centrifugal force upon the axis or any arm or cord from the axis that restrains it from moving in a straight (tangential) line.
 Centripetal Acceleration Equations and Calculator Centripetal Acceleration and force equation and calculator defines the distance that is covered and the direction of the movement. Since the velocity vector (the direction) of a body changes when moved in a circle - there is an acceleration.
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