What is speed?


the rate at which someone or something moves or operates or is able to move or operate.

each of the possible gear ratios of a bicycle or motor vehicle..

Speed and centrifugal forces

Increasing the mass or decreasing the radius increases the centrifugal force in direct or inverse proportion, respectively, but increasing the speed of rotation increases it in proportion to the square of the speed; that is, an increase in speed of 10 times

Speed and centripetal force

Note that the centripetal force is proportional to the square of the velocity, implying that a doubling of speed will require four times the centripetal force to keep the motion in a circle.

Speed as a Complex Conditional Ability and reaction time.


Reaction time is a simple form of speed, and depends mainly on the nervous system. It is the time interval between a signal and the reaction to it—for instance, when the starter pistol is fired at the start of the 100 m.




Does speed increase reaction time?

Essentially, over-speed training is forcing your brain to adapt to stimuli that are much faster than what you'd normally be encountering in a real-world setting. The idea is that getting more comfortable with extremely fast stimulation will make your average reaction times much faster

Is reaction time the same as processing speed?

Simple reaction time (SRT), the minimal time needed to respond to a stimulus, is a basic measure of processing speed.

What affects cornering speed?

If the aerodynamics are the same, then the limiting cornering speed is not independent of the mass. If there is an aerodynamic down-force (any purpose-built racecar, many high-performance road cars) then the lower the mass, the higher the limiting cornering speed will be.

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