What Do Torque and Power Mean?

[ClaireDella]

Torque is a special type of moment that causes an object to rotate. The torque of an engine refers to the moment output from the crankshaft end. Under constant power conditions, it has an inverse relationship with engine speed: the faster the speed, the smaller the torque, and vice versa. This reflects the vehicle's load capacity within a certain range. External torque is called torque or external couple moment, while internal torque is called internal couple moment or simply torque. Power refers to the amount of work done by an object per unit time, meaning power is a physical quantity that describes how quickly work is performed. For a given amount of work, the shorter the time taken, the greater the power value.