Some about motors hint points

                 <Some about motors hint points>

• Force-in simple way, a force is a push or pull.Force may be caused by electromagnetism,gravity,or a combination of physical means.

                         

                                     Fig-Force

• Torque-Torque is a twisting or turning force  that tends to cause an object to rotate.

           Torque(T)=Force×Radius
       
         

                        Fig-Torque

• Speed-Distance/Time

• Angular(Rotational) speed-of a rotating object is a measurement of how long it takes a point on the object to make one complete revolution from it's starting point.

      Angular speed is generally given in RPM(revolutions per minute).

                  

                    Fig-Angular speed

• Acceleration-Am object can change speed.An increase in speed is called acceleration.
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• Deceleration-An object can also change from a higher to a lower speed.This is known as deceleration(negative acceleration). 

                 

         Fig-acceleration and deceleration 

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• Horsepower-Power can be expressed in fps(foots pounds per second), but is often expressed in HP.

                      HP=T×RPM/5250

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