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Video Física
"Insulators, also called dielectrics, don't conduct charge. In insulators, there is no conduction band so charge does not move to any appreciable extent. Dialectric strength, also called breakdown v ...
"Torque, also called movement of force, measures how much a force rotates an object around an axis. Torque is the cross product of the force vector and the vector of the distance from the axis. The fo ...
"Instantaneous velocity is the velocity of an object in motion at a specific point in time. This is determined similarly to average velocity, but we narrow the period of time so that it approaches zer ...
Video Física
"We use the words toppling and stability in our everyday world. Toppling means that an object will easily fall over while stabliity means that an object can resist falling over. " Fuente: BrightStormT ...
"Ocean tides are the rising and falling of the sea due to variations in the gravitational pull of the moon on opposite sides of the Earth. Tides are a type of wave with regular frequencies and periods ...
"Thermal energy transfer involves the transfer of internal energy. The three types of thermal energy transfer are conduction, convection and radiation. Conduction involves direct contact of atoms, con ...
"Impulse measures the change in the momentum of an object. Impulse is expressed as the integral of force over time and its unit is the Newton-second (N x s). Expressed without Calculus, impulse = forc ...
"Tension in physics is the intermolecular force that exists in inside a rope, string, or any kind of elastic materials. The purpose of tension is to maintain integrity of the system. The foundation id ...
Video Física
"Hooke's Law is used to determined the restorative force or the amount of elasticity. Larger distortion would result in a a larger force. Hooke's Law is expressed in the equation F = - k(x), in which ...
Video Física
"In the greenhouse effect, the gases of which our atmosphere is composed absorbs the thermal energy that the Earth radiates and reflects some of it downwards again, towards the Earth, effectively trap ...
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